{"id":55631,"date":"2019-09-08T15:59:31","date_gmt":"2019-09-08T10:29:31","guid":{"rendered":"https:\/\/www.cbselabs.com\/?p=55631"},"modified":"2021-09-18T15:17:30","modified_gmt":"2021-09-18T09:47:30","slug":"ncert-solutions-for-class-10-maths-chapter-8-ex-8-4","status":"publish","type":"post","link":"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/","title":{"rendered":"NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.4"},"content":{"rendered":"<p>Get Free NCERT Solutions for Class 10 Maths Chapter 8 Ex 8.4 Introduction to Trigonometry Class 10 Maths NCERT Solutions are extremely helpful while doing homework. Exercise 8.4 Class 10 Maths NCERT Solutions were prepared by Experienced LearnCBSE.in Teachers. Detailed answers of all the questions in Chapter 8 Maths Class 10 Introduction to Trigonometry Exercise 8.4 Provided in NCERT Textbook.<\/p>\n<p><strong>Topics and Sub Topics in Class 10 Maths Chapter 8 Introduction to Trigonometry:<\/strong><\/p>\n<table border=\"2\">\n<tbody>\n<tr>\n<td><strong>Section Name<\/strong><\/td>\n<td><strong>Topic Name<\/strong><\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>Introduction to Trigonometry<\/td>\n<\/tr>\n<tr>\n<td>8.1<\/td>\n<td>Introduction<\/td>\n<\/tr>\n<tr>\n<td>8.2<\/td>\n<td>Trigonometric Ratios<\/td>\n<\/tr>\n<tr>\n<td>8.3<\/td>\n<td>Trigonometric Ratios Of Some Specific Angles<\/td>\n<\/tr>\n<tr>\n<td>8.4<\/td>\n<td>Trigonometric Ratios Of Complementary Angles<\/td>\n<\/tr>\n<tr>\n<td>8.5<\/td>\n<td>Trigonometric Identities<\/td>\n<\/tr>\n<tr>\n<td>8.6<\/td>\n<td>Summary<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-introduction-to-trigonometry\/\" target=\"_blank\" rel=\"noopener noreferrer\">Class 10 Maths Introduction to Trigonometry Ex 8.1<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-introduction-to-trigonometry\/#Introduction-to-Trigonometry-ex-8.1-in-hindi\" target=\"_blank\" rel=\"noopener noreferrer\">\u092a\u094d\u0930\u0936\u094d\u0928\u093e\u0935\u0932\u0940 8.1 \u0915\u093e \u0939\u0932 \u0939\u093f\u0902\u0926\u0940 \u092e\u0947\u0902<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-2\/\" target=\"_blank\" rel=\"noopener noreferrer\">Introduction to Trigonometry Class 10 Ex 8.2<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-2\/#Introduction-to-Trigonometry-ex-8.2-in-hindi\" target=\"_blank\" rel=\"noopener noreferrer\">\u092a\u094d\u0930\u0936\u094d\u0928\u093e\u0935\u0932\u0940 8.2 \u0915\u093e \u0939\u0932 \u0939\u093f\u0902\u0926\u0940 \u092e\u0947\u0902<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-3\/\" target=\"_blank\" rel=\"noopener noreferrer\">Introduction to Trigonometry Class 10 Ex 8.3<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-3\/#Introduction-to-Trigonometry-ex-8.3-in-hindi\" target=\"_blank\" rel=\"noopener noreferrer\">\u092a\u094d\u0930\u0936\u094d\u0928\u093e\u0935\u0932\u0940 8.3 \u0915\u093e \u0939\u0932 \u0939\u093f\u0902\u0926\u0940 \u092e\u0947\u0902<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/\" target=\"_blank\" rel=\"noopener noreferrer\">Introduction to Trigonometry Class 10 Ex 8.4<\/a><\/li>\n<li><a href=\"#Introduction-to-Trigonometry-ex-8.4-in-hindi\" rel=\"noopener noreferrer\">\u092a\u094d\u0930\u0936\u094d\u0928\u093e\u0935\u0932\u0940 8.4 \u0915\u093e \u0939\u0932 \u0939\u093f\u0902\u0926\u0940 \u092e\u0947\u0902<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/introduction-to-trigonometry-cbse-class-10-extra-questions-with-solutions\/\" target=\"_blank\" rel=\"noopener noreferrer\">Introduction to Trigonometry Class 10 Extra Questions<\/a><\/li>\n<\/ul>\n<p>You can also download the free PDF of Chapter 8 Ex 8.4 Coordinate Geometry NCERT Solutions or save the solution images and take the print out to keep it handy for your exam preparation.<\/p>\n<table border=\"2\">\n<tbody>\n<tr>\n<td><strong>Board<\/strong><\/td>\n<td>CBSE<\/td>\n<\/tr>\n<tr>\n<td><strong>Textbook<\/strong><\/td>\n<td>NCERT<\/td>\n<\/tr>\n<tr>\n<td><strong>Class<\/strong><\/td>\n<td>Class 10<\/td>\n<\/tr>\n<tr>\n<td><strong>Subject<\/strong><\/td>\n<td>Maths<\/td>\n<\/tr>\n<tr>\n<td><strong>Chapter<\/strong><\/td>\n<td>Chapter 8<\/td>\n<\/tr>\n<tr>\n<td><strong>Chapter Name<\/strong><\/td>\n<td><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Get Free NCERT Solutions for Class 10 Maths Chapter 7 Ex 7.1 Coordinate Geometry Class 10 Maths NCERT Solutions are extremely helpful while doing homework.Exercise 7.1 Class 10 Maths NCERT Solutions were prepared by Experienced LearnCBSE.in Teachers. Detailed answers of all the questions in Chapter 7Maths Class 10 Coordinate Geometry Exercise 7.1 Provided in NCERT Textbook\\n\\nYou can also download the free PDF of Chapter 7 Ex 7.1 Coordinate Geometry NCERT Solutions or save the solution images and take the print out to keep it handy for your exam preparation.&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:448,&quot;9&quot;:0,&quot;10&quot;:1,&quot;11&quot;:4}\" data-sheets-formula=\"=CONCATENATE(&quot;Get Free NCERT Solutions for Class 10 Maths &quot;,R[0]C[1],&quot; &quot;,R[0]C[2],&quot; Class 10 Maths NCERT Solutions are extremely helpful while doing homework.&quot;,R[0]C[3],&quot; Class 10 Maths NCERT Solutions were prepared by Experienced LearnCBSE.in Teachers. Detailed answers of all the questions in &quot;,R[0]C[4],&quot;Maths Class 10 &quot;,R[0]C[2],&quot; &quot;,R[0]C[3],&quot; Provided in NCERT Textbook&quot;,R[0]C[5],R[0]C[5], &quot;You can also download the free PDF of &quot;,R[0]C[1],&quot; &quot;,R[0]C[2],&quot; NCERT Solutions or save the solution images and take the print out to keep it handy for your exam preparation.&quot;)\">Introduction to Trigonometry<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong>Exercise<\/strong><\/td>\n<td>Ex 8.4<\/td>\n<\/tr>\n<tr>\n<td><strong>Number of Questions Solved<\/strong><\/td>\n<td>5<\/td>\n<\/tr>\n<tr>\n<td><strong>Category<\/strong><\/td>\n<td><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-2\/\">NCERT Solutions<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.4<\/h2>\n<p>NCERT Solutions for Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.4 are part of NCERT Solutions for Class 10 Maths. Here we have given NCERT Solutions for Class 10 Maths Chapter 8 Introduction to Trigonometry Exercise 8.4<\/p>\n<p><strong>Ex 8.4 Class 10 Maths Question 1.<\/strong><\/p>\n<p>Express the trigonometric ratios sin A, sec A and tan A in terms of cot A.Solution:<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-55632\" src=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Free-PDF-Download-Q1.png?resize=395%2C415&#038;ssl=1\" alt=\"NCERT Solutions for Class 10 Maths Chapter 8 Trigonometry Exercise 8.4 Free PDF Download Q1\" width=\"395\" height=\"415\" srcset=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Free-PDF-Download-Q1.png?w=395&amp;ssl=1 395w, https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Free-PDF-Download-Q1.png?resize=286%2C300&amp;ssl=1 286w\" sizes=\"(max-width: 395px) 100vw, 395px\" data-recalc-dims=\"1\" \/><\/p>\n<div class=\"jetpack-video-wrapper\">\n<div class=\"suki-oembed suki-oembed-video\" style=\"padding-top: 75%;\"><iframe loading=\"lazy\" title=\"NCERT Solutions for Class 10 Maths Chapter 8 Introduction To Trigonometry Ex 8.1 Q 1\" width=\"1140\" height=\"855\" src=\"https:\/\/www.youtube.com\/embed\/PLfskp_cXuA?list=PLXX3lyEZ5Op4d03lAZdbbDE_KDonP9OUp\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/div>\n<\/div>\n<p><strong>Ex 8.4 Class 10 Maths Question 2.<\/strong><br \/>\nWrite all the other trigonometric ratios of \u2220A in terms of sec A.<br \/>\nSolution:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-55633\" src=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Q2.png?resize=689%2C317&#038;ssl=1\" alt=\"NCERT Solutions for Class 10 Maths Chapter 8 Trigonometry Exercise 8.4 Q2\" width=\"689\" height=\"317\" srcset=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Q2.png?w=689&amp;ssl=1 689w, https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Q2.png?resize=300%2C138&amp;ssl=1 300w\" sizes=\"(max-width: 689px) 100vw, 689px\" data-recalc-dims=\"1\" \/><\/p>\n<p><a href=\"https:\/\/drive.google.com\/uc?export=download&amp;id=1IY9fFSGSaPBUYavgRVGoKiefPLFWEf8s\">Download NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry PDF<\/a><\/p>\n<p><strong>Ex 8.4 Class 10 Maths Question 3.<\/strong><br \/>\nEvaluate:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-100490\" src=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2019\/09\/NCERT-Solutions-For-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Ex-8.4-Q3.png?resize=603%2C57&#038;ssl=1\" alt=\"NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.4 Q3\" width=\"603\" height=\"57\" srcset=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2019\/09\/NCERT-Solutions-For-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Ex-8.4-Q3.png?w=603&amp;ssl=1 603w, https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2019\/09\/NCERT-Solutions-For-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Ex-8.4-Q3.png?resize=300%2C28&amp;ssl=1 300w\" sizes=\"(max-width: 603px) 100vw, 603px\" data-recalc-dims=\"1\" \/><br \/>\nSolution:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-55634\" src=\"https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Free-PDF-Q3.png?resize=381%2C266&#038;ssl=1\" alt=\"NCERT Solutions for Class 10 Maths Chapter 8 Trigonometry Exercise 8.4 Free PDF Q3\" width=\"381\" height=\"266\" srcset=\"https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Free-PDF-Q3.png?w=381&amp;ssl=1 381w, https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Free-PDF-Q3.png?resize=300%2C209&amp;ssl=1 300w\" sizes=\"(max-width: 381px) 100vw, 381px\" data-recalc-dims=\"1\" \/><\/p>\n<p><strong>Ex 8.4 Class 10 Maths Question 4.<\/strong><br \/>\nChoose the correct option. Justify your choice.<br \/>\n(i) 9 sec\u00b2 A &#8211; 9 tan\u00b2 A = &#8230;&#8230;<br \/>\n(A) 1<br \/>\n(B) 9<br \/>\n(C) 8<br \/>\n(D) 0<\/p>\n<p>(ii) (1 + tan \u03b8 + sec \u03b8) (1 + cot \u03b8 &#8211; cosec \u03b8) = &#8230;&#8230;&#8230;..<br \/>\n(A) 0<br \/>\n(B) 1<br \/>\n(C) 2<br \/>\n(D) -1<\/p>\n<p>(iii) (sec A + tan A) (1 &#8211; sin A) = &#8230;&#8230;&#8230;&#8230;.<br \/>\n(A) sec A<br \/>\n(B) sin A<br \/>\n(C) cosec A<br \/>\n(D) cos A<\/p>\n<p>(iv) \\(\\frac { 1+{ tan }^{ 2 }A }{ 1+cot^{ 2 }A }\\) = &#8230;&#8230;&#8230;..<br \/>\n(A) sec\u00b2 A<br \/>\n(B) -1<br \/>\n(C) cot\u00b2 A<br \/>\n(D) tan\u00b2 A<br \/>\nSolution:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-55635\" src=\"https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Exercise-8.4-Class-10-NCERT-Solutions-Chapter-8-Trigonometry-PDF-Download-Q4.png?resize=677%2C453&#038;ssl=1\" alt=\"Exercise 8.4 Class 10 NCERT Solutions Chapter 8 Trigonometry PDF Download Q4\" width=\"677\" height=\"453\" srcset=\"https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Exercise-8.4-Class-10-NCERT-Solutions-Chapter-8-Trigonometry-PDF-Download-Q4.png?w=677&amp;ssl=1 677w, https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Exercise-8.4-Class-10-NCERT-Solutions-Chapter-8-Trigonometry-PDF-Download-Q4.png?resize=300%2C201&amp;ssl=1 300w\" sizes=\"(max-width: 677px) 100vw, 677px\" data-recalc-dims=\"1\" \/><\/p>\n<p><strong>Ex 8.4 Class 10 Maths Question 5.<\/strong><br \/>\nProve the following identities, where the angles involved are acute angles for which the expressions are defined.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-100491\" src=\"https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2019\/09\/NCERT-Solutions-For-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Ex-8.4-Q5.png?resize=687%2C458&#038;ssl=1\" alt=\"NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.4 Q5\" width=\"687\" height=\"458\" srcset=\"https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2019\/09\/NCERT-Solutions-For-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Ex-8.4-Q5.png?w=687&amp;ssl=1 687w, https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2019\/09\/NCERT-Solutions-For-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Ex-8.4-Q5.png?resize=300%2C200&amp;ssl=1 300w\" sizes=\"(max-width: 687px) 100vw, 687px\" data-recalc-dims=\"1\" \/><br \/>\nSolution:<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-55639\" src=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Exercise-8.4-Class-10-NCERT-Solutions-Chapter-8-Trigonometry-Free-PDF-Download-Q4.png?resize=389%2C512&#038;ssl=1\" alt=\"Exercise 8.4 Class 10 NCERT Solutions Chapter 8 Trigonometry Free PDF Download Q4\" width=\"389\" height=\"512\" srcset=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Exercise-8.4-Class-10-NCERT-Solutions-Chapter-8-Trigonometry-Free-PDF-Download-Q4.png?w=389&amp;ssl=1 389w, https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Exercise-8.4-Class-10-NCERT-Solutions-Chapter-8-Trigonometry-Free-PDF-Download-Q4.png?resize=228%2C300&amp;ssl=1 228w\" sizes=\"(max-width: 389px) 100vw, 389px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-55641\" src=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Trigonometry-Class-10-Chapter-8-Exercise-8.4-Free-PDF-Download-Q5.1.png?resize=379%2C675&#038;ssl=1\" alt=\"Trigonometry Class 10 Chapter 8 Exercise 8.4 Free PDF Download Q5.1\" width=\"379\" height=\"675\" srcset=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Trigonometry-Class-10-Chapter-8-Exercise-8.4-Free-PDF-Download-Q5.1.png?w=379&amp;ssl=1 379w, https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Trigonometry-Class-10-Chapter-8-Exercise-8.4-Free-PDF-Download-Q5.1.png?resize=168%2C300&amp;ssl=1 168w\" sizes=\"(max-width: 379px) 100vw, 379px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-55642\" src=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Trigonometry-Class-10-Chapter-8-Exercise-8.4-NCERT-Solutions-Q5.2.png?resize=398%2C427&#038;ssl=1\" alt=\"Trigonometry Class 10 Chapter 8 Exercise 8.4 NCERT Solutions Q5.2\" width=\"398\" height=\"427\" srcset=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Trigonometry-Class-10-Chapter-8-Exercise-8.4-NCERT-Solutions-Q5.2.png?w=398&amp;ssl=1 398w, https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Trigonometry-Class-10-Chapter-8-Exercise-8.4-NCERT-Solutions-Q5.2.png?resize=280%2C300&amp;ssl=1 280w\" sizes=\"(max-width: 398px) 100vw, 398px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-55643\" src=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Exercise-8.4-Class-10-NCERT-Solutions-Chapter-8-Trigonometry-Q5.3.png?resize=383%2C522&#038;ssl=1\" alt=\"Exercise 8.4 Class 10 NCERT Solutions Chapter 8 Trigonometry Q5.3\" width=\"383\" height=\"522\" srcset=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Exercise-8.4-Class-10-NCERT-Solutions-Chapter-8-Trigonometry-Q5.3.png?w=383&amp;ssl=1 383w, https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Exercise-8.4-Class-10-NCERT-Solutions-Chapter-8-Trigonometry-Q5.3.png?resize=220%2C300&amp;ssl=1 220w\" sizes=\"(max-width: 383px) 100vw, 383px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-55644\" src=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Exercise-8.4-Class-10-NCERT-Solutions-Chapter-8-Trigonometry-PDF-Q5.4.png?resize=376%2C666&#038;ssl=1\" alt=\"Exercise 8.4 Class 10 NCERT Solutions Chapter 8 Trigonometry PDF Q5.4\" width=\"376\" height=\"666\" srcset=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Exercise-8.4-Class-10-NCERT-Solutions-Chapter-8-Trigonometry-PDF-Q5.4.png?w=376&amp;ssl=1 376w, https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/Exercise-8.4-Class-10-NCERT-Solutions-Chapter-8-Trigonometry-PDF-Q5.4.png?resize=169%2C300&amp;ssl=1 169w\" sizes=\"(max-width: 376px) 100vw, 376px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-55645\" src=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Q5.6.png?resize=411%2C627&#038;ssl=1\" alt=\"NCERT Solutions for Class 10 Maths Chapter 8 Trigonometry Exercise 8.4 Q5.6\" width=\"411\" height=\"627\" srcset=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Q5.6.png?w=411&amp;ssl=1 411w, https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Q5.6.png?resize=197%2C300&amp;ssl=1 197w\" sizes=\"(max-width: 411px) 100vw, 411px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-55647\" src=\"https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Exercise-8.4-Q5.7.png?resize=397%2C663&#038;ssl=1\" alt=\"NCERT Solutions for Class 10 Maths Chapter 8 Exercise 8.4 Q5.7\" width=\"397\" height=\"663\" srcset=\"https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Exercise-8.4-Q5.7.png?w=397&amp;ssl=1 397w, https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Exercise-8.4-Q5.7.png?resize=180%2C300&amp;ssl=1 180w\" sizes=\"(max-width: 397px) 100vw, 397px\" data-recalc-dims=\"1\" \/><\/p>\n<h3><a id=\"Introduction-to-Trigonometry-ex-8.4-in-hindi\"><\/a>NCERT Solutions for Class 10 Maths Chapter 8 Introduction to Trigonometry (Hindi Medium) Ex 8.4<\/h3>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-88785\" src=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-1.png?resize=513%2C461&#038;ssl=1\" alt=\"NCERT Solutions for class 10 Maths Chapter 8 Exercise 8.4\" width=\"513\" height=\"461\" srcset=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-1.png?w=513&amp;ssl=1 513w, https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-1.png?resize=300%2C270&amp;ssl=1 300w\" sizes=\"(max-width: 513px) 100vw, 513px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter size-full wp-image-88786\" src=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-2.png?resize=532%2C475&#038;ssl=1\" alt=\"NCERT Solutions for class 10 Maths Chapter 8 Exercise 8.4 Question 1 and 2\" width=\"532\" height=\"475\" srcset=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-2.png?w=532&amp;ssl=1 532w, https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-2.png?resize=300%2C268&amp;ssl=1 300w\" sizes=\"(max-width: 532px) 100vw, 532px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter size-full wp-image-88787\" src=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-3.png?resize=521%2C721&#038;ssl=1\" alt=\"NCERT Solutions for class 10 Maths Chapter 8 Exercise 8.4 Question 3 and 4\" width=\"521\" height=\"721\" srcset=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-3.png?w=521&amp;ssl=1 521w, https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-3.png?resize=217%2C300&amp;ssl=1 217w\" sizes=\"(max-width: 521px) 100vw, 521px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter size-full wp-image-88788\" src=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-4.png?resize=524%2C633&#038;ssl=1\" alt=\"NCERT Solutions for class 10 Maths Chapter 8 Exercise 8.4 Question 5\" width=\"524\" height=\"633\" srcset=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-4.png?w=524&amp;ssl=1 524w, https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-4.png?resize=248%2C300&amp;ssl=1 248w\" sizes=\"(max-width: 524px) 100vw, 524px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter size-full wp-image-88789\" src=\"https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-5.png?resize=537%2C700&#038;ssl=1\" alt=\"NCERT Solutions for class 10 Maths Chapter 8 Exercise 8.4 Question 5 in English Medium\" width=\"537\" height=\"700\" srcset=\"https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-5.png?w=537&amp;ssl=1 537w, https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-5.png?resize=230%2C300&amp;ssl=1 230w\" sizes=\"(max-width: 537px) 100vw, 537px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter size-full wp-image-88790\" src=\"https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-6.png?resize=512%2C707&#038;ssl=1\" alt=\"Class 10 Maths Chapter 8 Exercise 8.4 Question 5 Proofs\" width=\"512\" height=\"707\" srcset=\"https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-6.png?w=512&amp;ssl=1 512w, https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-6.png?resize=217%2C300&amp;ssl=1 217w\" sizes=\"(max-width: 512px) 100vw, 512px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter size-full wp-image-88791\" src=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-7.png?resize=522%2C532&#038;ssl=1\" alt=\"Class 10 Maths Chapter 8 Exercise 8.4 Question 5 Solutions in English PDF\" width=\"522\" height=\"532\" srcset=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-7.png?w=522&amp;ssl=1 522w, https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-7.png?resize=294%2C300&amp;ssl=1 294w\" sizes=\"(max-width: 522px) 100vw, 522px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter size-full wp-image-88805\" src=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-8.png?resize=519%2C686&#038;ssl=1\" alt=\"10 Maths Chapter 8 Exercise 8.4 Trigonometric Identities proofs\" width=\"519\" height=\"686\" srcset=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-8.png?w=519&amp;ssl=1 519w, https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-8.png?resize=227%2C300&amp;ssl=1 227w\" sizes=\"(max-width: 519px) 100vw, 519px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter size-full wp-image-88795\" src=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-9.png?resize=522%2C608&#038;ssl=1\" alt=\"Class 10 Maths Chapter 8 Exercise 8.4 Question 1 and 2 in Hindi Medium\" width=\"522\" height=\"608\" srcset=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-9.png?w=522&amp;ssl=1 522w, https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-9.png?resize=258%2C300&amp;ssl=1 258w\" sizes=\"(max-width: 522px) 100vw, 522px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter size-full wp-image-88796\" src=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-10.png?resize=518%2C704&#038;ssl=1\" alt=\"Class 10 Maths Chapter 8 Exercise 8.4 Trigonometric Identities proofs\" width=\"518\" height=\"704\" srcset=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-10.png?w=518&amp;ssl=1 518w, https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-10.png?resize=221%2C300&amp;ssl=1 221w\" sizes=\"(max-width: 518px) 100vw, 518px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter size-full wp-image-88797\" src=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-11.png?resize=532%2C594&#038;ssl=1\" alt=\"Class 10 Maths Chapter 8 Exercise 8.4 Question 3 and 4 Solutions\" width=\"532\" height=\"594\" srcset=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-11.png?w=532&amp;ssl=1 532w, https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-11.png?resize=269%2C300&amp;ssl=1 269w\" sizes=\"(max-width: 532px) 100vw, 532px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter size-full wp-image-88798\" src=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-12.png?resize=527%2C610&#038;ssl=1\" alt=\"Class 10 Maths Chapter 8 Exercise 8.4 Questions answers in Hindi\" width=\"527\" height=\"610\" srcset=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-12.png?w=527&amp;ssl=1 527w, https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-12.png?resize=259%2C300&amp;ssl=1 259w\" sizes=\"(max-width: 527px) 100vw, 527px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter size-full wp-image-88799\" src=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-13.png?resize=517%2C637&#038;ssl=1\" alt=\"Class 10 Maths Chapter 8 Exercise 8.4 all question solutions in Hindi medium PDFClass 10 Maths Chapter 8 Exercise 8.4 all question solutions in Hindi medium PDF\" width=\"517\" height=\"637\" srcset=\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-13.png?w=517&amp;ssl=1 517w, https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-13.png?resize=243%2C300&amp;ssl=1 243w\" sizes=\"(max-width: 517px) 100vw, 517px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter size-full wp-image-88800\" src=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-14.png?resize=522%2C581&#038;ssl=1\" alt=\"NCERT Solutions 10 maths exercise 8.4 in Hindi\" width=\"522\" height=\"581\" srcset=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-14.png?w=522&amp;ssl=1 522w, https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-14.png?resize=270%2C300&amp;ssl=1 270w\" sizes=\"(max-width: 522px) 100vw, 522px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter size-full wp-image-88801\" src=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-15.png?resize=533%2C457&#038;ssl=1\" alt=\"NCERT Solutions 10 maths exercise 8.4\" width=\"533\" height=\"457\" srcset=\"https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-15.png?w=533&amp;ssl=1 533w, https:\/\/i2.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-15.png?resize=300%2C257&amp;ssl=1 300w\" sizes=\"(max-width: 533px) 100vw, 533px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter size-full wp-image-88802\" src=\"https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-16.png?resize=520%2C561&#038;ssl=1\" alt=\"10 Maths Chapter 8 Exercise 8.4 Question 1 and 2 in Hindi Medium\" width=\"520\" height=\"561\" srcset=\"https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-16.png?w=520&amp;ssl=1 520w, https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-16.png?resize=278%2C300&amp;ssl=1 278w\" sizes=\"(max-width: 520px) 100vw, 520px\" data-recalc-dims=\"1\" \/><br \/>\n<img loading=\"lazy\" class=\"aligncenter size-full wp-image-88806\" src=\"https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-17.png?resize=512%2C708&#038;ssl=1\" alt=\"Chapter 8 Exercise 8.4 all question solutions in Hindi medium PDF\" width=\"512\" height=\"708\" srcset=\"https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-17.png?w=512&amp;ssl=1 512w, https:\/\/i1.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Introduction-to-Trigonometry-Hindi-Medium-Ex-8.4-17.png?resize=217%2C300&amp;ssl=1 217w\" sizes=\"(max-width: 512px) 100vw, 512px\" data-recalc-dims=\"1\" \/><\/p>\n<div class=\"featured-snippet\">\n<h3>NCERT Solutions for Class 10 Maths<\/h3>\n<ol>\n<li><a href=\"https:\/\/www.cbselabs.com\/class-10-maths-ncert-solutions-chapter-1-real-numbers\/\">Chapter 1 Real Numbers<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/class-10-maths-ncert-solutions-chapter-2-polynomials\/\">Chapter 2 Polynomials<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-class-10th-maths-chapter-3-pair-linear-equations-two-variables\/\">Chapter 3 Pair of Linear Equations in Two Variables<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-4-quadratic-equations\/\">Chapter 4 Quadratic Equations<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-5-arithmetic-progressions\/\">Chapter 5 Arithmetic Progressions<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-6-triangles-2\/\">Chapter 6 Triangles<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-7-coordinate-geometry\/\">Chapter 7 Coordinate Geometry<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-introduction-to-trigonometry\/\">Chapter 8 Introduction to Trigonometry<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-some-applications-of-trigonometry\/\">Chapter 9 Some Applications of Trigonometry<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-10-circles\/\">Chapter 10 Circles<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-class-10th-maths-chapter-11-constructions\/\">Chapter 11 Constructions<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-12-areas-related-to-circles\/\">Chapter 12 Areas Related to Circles<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-class-10th-maths-chapter-13-surface-areas-volumes\/\">Chapter 13 Surface Areas and Volumes<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-14-statistics\/\">Chapter 14 Statistics<\/a><\/li>\n<li><a href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-15-probability\/\">Chapter 15 Probability<\/a><\/li>\n<\/ol>\n<\/div>\n<p>We hope the NCERT Solutions for Class 10 Maths Chapter 8\u00a0Introduction to Trigonometry\u00a0Ex 8.4, help you. If you have any query regarding NCERT Solutions for Class 10 Maths Chapter 8\u00a0Introduction to Trigonometry\u00a0Exercise 8.4, drop a comment below and we will get back to you at the earliest.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Get Free NCERT Solutions for Class 10 Maths Chapter 8 Ex 8.4 Introduction to Trigonometry Class 10 Maths NCERT Solutions are extremely helpful while doing homework. Exercise 8.4 Class 10 Maths NCERT Solutions were prepared by Experienced LearnCBSE.in Teachers. Detailed answers of all the questions in Chapter 8 Maths Class 10 Introduction to Trigonometry Exercise &hellip;<\/p>\n","protected":false},"author":30,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[2],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v17.2 (Yoast SEO v17.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.4<\/title>\n<meta name=\"description\" content=\"Get Free Introduction to Trigonometry Class 10 NCERT Solutions PDF. Chapter 8 Ex 8.4 Class 10 NCERT Solutions are extremely helpful while preparing for the exam. Ch 8 maths class 10 Exercise 8.4 NCERT Solutions were prepared according to CBSE Marking Scheme and Guidelines\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.4\" \/>\n<meta property=\"og:description\" content=\"Get Free Introduction to Trigonometry Class 10 NCERT Solutions PDF. Chapter 8 Ex 8.4 Class 10 NCERT Solutions are extremely helpful while preparing for the exam. Ch 8 maths class 10 Exercise 8.4 NCERT Solutions were prepared according to CBSE Marking Scheme and Guidelines\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/\" \/>\n<meta property=\"og:site_name\" content=\"CBSE Labs\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ncertsolutionsbooks\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/veerendracbse\" \/>\n<meta property=\"article:published_time\" content=\"2019-09-08T10:29:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-09-18T09:47:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Free-PDF-Download-Q1.png\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:creator\" content=\"@VeerendraCBSE\" \/>\n<meta name=\"twitter:site\" content=\"@learncbse\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Veerendra\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.cbselabs.com\/#organization\",\"name\":\"LearnCBSE\",\"url\":\"https:\/\/www.cbselabs.com\/\",\"sameAs\":[\"https:\/\/www.facebook.com\/ncertsolutionsbooks\/\",\"https:\/\/www.instagram.com\/learncbse.in\/\",\"https:\/\/www.youtube.com\/user\/CBSEPapers\",\"https:\/\/in.pinterest.com\/learncbsein\/\",\"https:\/\/twitter.com\/learncbse\"],\"logo\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.cbselabs.com\/#logo\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2017\/01\/LearnCBSE.in_.png?fit=210%2C198&ssl=1\",\"contentUrl\":\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2017\/01\/LearnCBSE.in_.png?fit=210%2C198&ssl=1\",\"width\":210,\"height\":198,\"caption\":\"LearnCBSE\"},\"image\":{\"@id\":\"https:\/\/www.cbselabs.com\/#logo\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.cbselabs.com\/#website\",\"url\":\"https:\/\/www.cbselabs.com\/\",\"name\":\"CBSE Labs\",\"description\":\"NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12\",\"publisher\":{\"@id\":\"https:\/\/www.cbselabs.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.cbselabs.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#primaryimage\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Free-PDF-Download-Q1.png?fit=395%2C415&ssl=1\",\"contentUrl\":\"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Free-PDF-Download-Q1.png?fit=395%2C415&ssl=1\",\"width\":395,\"height\":415,\"caption\":\"NCERT Solutions for Class 10 Maths Chapter 8 Trigonometry Exercise 8.4 Free PDF Download Q1\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#webpage\",\"url\":\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/\",\"name\":\"NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.4\",\"isPartOf\":{\"@id\":\"https:\/\/www.cbselabs.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#primaryimage\"},\"datePublished\":\"2019-09-08T10:29:31+00:00\",\"dateModified\":\"2021-09-18T09:47:30+00:00\",\"description\":\"Get Free Introduction to Trigonometry Class 10 NCERT Solutions PDF. Chapter 8 Ex 8.4 Class 10 NCERT Solutions are extremely helpful while preparing for the exam. Ch 8 maths class 10 Exercise 8.4 NCERT Solutions were prepared according to CBSE Marking Scheme and Guidelines\",\"breadcrumb\":{\"@id\":\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.cbselabs.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.4\"}]},{\"@type\":\"Article\",\"@id\":\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#webpage\"},\"author\":{\"@id\":\"https:\/\/www.cbselabs.com\/#\/schema\/person\/b4ae208c8ca8d036fe4d1c2335e1e4ea\"},\"headline\":\"NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.4\",\"datePublished\":\"2019-09-08T10:29:31+00:00\",\"dateModified\":\"2021-09-18T09:47:30+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#webpage\"},\"wordCount\":503,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.cbselabs.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Free-PDF-Download-Q1.png\",\"articleSection\":[\"CBSE\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#respond\"]}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.cbselabs.com\/#\/schema\/person\/b4ae208c8ca8d036fe4d1c2335e1e4ea\",\"name\":\"Veerendra\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.cbselabs.com\/#personlogo\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/93ba5dedf76e89af65ae2e1d6ac09855?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/93ba5dedf76e89af65ae2e1d6ac09855?s=96&d=mm&r=g\",\"caption\":\"Veerendra\"},\"sameAs\":[\"https:\/\/www.cbselabs.com\/ncert-solutions-2\/\",\"https:\/\/www.facebook.com\/veerendracbse\",\"https:\/\/www.instagram.com\/veerendra.amujuri\/\",\"https:\/\/in.linkedin.com\/in\/veerendra-amujuri-a7a455174\",\"https:\/\/in.pinterest.com\/VeerendraCbse\/\",\"https:\/\/twitter.com\/VeerendraCBSE\",\"https:\/\/www.youtube.com\/channel\/UCISfx0_nhlcKcRDg3QLcejA\",\"https:\/\/soundcloud.com\/veerendra-cbse\",\"https:\/\/veerendrart.tumblr.com\/\"],\"url\":\"https:\/\/www.cbselabs.com\/author\/veerendra\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.4","description":"Get Free Introduction to Trigonometry Class 10 NCERT Solutions PDF. Chapter 8 Ex 8.4 Class 10 NCERT Solutions are extremely helpful while preparing for the exam. Ch 8 maths class 10 Exercise 8.4 NCERT Solutions were prepared according to CBSE Marking Scheme and Guidelines","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/","og_locale":"en_US","og_type":"article","og_title":"NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.4","og_description":"Get Free Introduction to Trigonometry Class 10 NCERT Solutions PDF. Chapter 8 Ex 8.4 Class 10 NCERT Solutions are extremely helpful while preparing for the exam. Ch 8 maths class 10 Exercise 8.4 NCERT Solutions were prepared according to CBSE Marking Scheme and Guidelines","og_url":"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/","og_site_name":"CBSE Labs","article_publisher":"https:\/\/www.facebook.com\/ncertsolutionsbooks\/","article_author":"https:\/\/www.facebook.com\/veerendracbse","article_published_time":"2019-09-08T10:29:31+00:00","article_modified_time":"2021-09-18T09:47:30+00:00","og_image":[{"url":"https:\/\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Free-PDF-Download-Q1.png"}],"twitter_card":"summary","twitter_creator":"@VeerendraCBSE","twitter_site":"@learncbse","twitter_misc":{"Written by":"Veerendra","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Organization","@id":"https:\/\/www.cbselabs.com\/#organization","name":"LearnCBSE","url":"https:\/\/www.cbselabs.com\/","sameAs":["https:\/\/www.facebook.com\/ncertsolutionsbooks\/","https:\/\/www.instagram.com\/learncbse.in\/","https:\/\/www.youtube.com\/user\/CBSEPapers","https:\/\/in.pinterest.com\/learncbsein\/","https:\/\/twitter.com\/learncbse"],"logo":{"@type":"ImageObject","@id":"https:\/\/www.cbselabs.com\/#logo","inLanguage":"en-US","url":"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2017\/01\/LearnCBSE.in_.png?fit=210%2C198&ssl=1","contentUrl":"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2017\/01\/LearnCBSE.in_.png?fit=210%2C198&ssl=1","width":210,"height":198,"caption":"LearnCBSE"},"image":{"@id":"https:\/\/www.cbselabs.com\/#logo"}},{"@type":"WebSite","@id":"https:\/\/www.cbselabs.com\/#website","url":"https:\/\/www.cbselabs.com\/","name":"CBSE Labs","description":"NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12","publisher":{"@id":"https:\/\/www.cbselabs.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.cbselabs.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"ImageObject","@id":"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#primaryimage","inLanguage":"en-US","url":"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Free-PDF-Download-Q1.png?fit=395%2C415&ssl=1","contentUrl":"https:\/\/i0.wp.com\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Free-PDF-Download-Q1.png?fit=395%2C415&ssl=1","width":395,"height":415,"caption":"NCERT Solutions for Class 10 Maths Chapter 8 Trigonometry Exercise 8.4 Free PDF Download Q1"},{"@type":"WebPage","@id":"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#webpage","url":"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/","name":"NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.4","isPartOf":{"@id":"https:\/\/www.cbselabs.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#primaryimage"},"datePublished":"2019-09-08T10:29:31+00:00","dateModified":"2021-09-18T09:47:30+00:00","description":"Get Free Introduction to Trigonometry Class 10 NCERT Solutions PDF. Chapter 8 Ex 8.4 Class 10 NCERT Solutions are extremely helpful while preparing for the exam. Ch 8 maths class 10 Exercise 8.4 NCERT Solutions were prepared according to CBSE Marking Scheme and Guidelines","breadcrumb":{"@id":"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.cbselabs.com\/"},{"@type":"ListItem","position":2,"name":"NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.4"}]},{"@type":"Article","@id":"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#article","isPartOf":{"@id":"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#webpage"},"author":{"@id":"https:\/\/www.cbselabs.com\/#\/schema\/person\/b4ae208c8ca8d036fe4d1c2335e1e4ea"},"headline":"NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry Ex 8.4","datePublished":"2019-09-08T10:29:31+00:00","dateModified":"2021-09-18T09:47:30+00:00","mainEntityOfPage":{"@id":"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#webpage"},"wordCount":503,"commentCount":0,"publisher":{"@id":"https:\/\/www.cbselabs.com\/#organization"},"image":{"@id":"https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#primaryimage"},"thumbnailUrl":"https:\/\/www.cbselabs.com\/wp-content\/uploads\/2018\/11\/NCERT-Solutions-for-Class-10-Maths-Chapter-8-Trigonometry-Exercise-8.4-Free-PDF-Download-Q1.png","articleSection":["CBSE"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.cbselabs.com\/ncert-solutions-for-class-10-maths-chapter-8-ex-8-4\/#respond"]}]},{"@type":"Person","@id":"https:\/\/www.cbselabs.com\/#\/schema\/person\/b4ae208c8ca8d036fe4d1c2335e1e4ea","name":"Veerendra","image":{"@type":"ImageObject","@id":"https:\/\/www.cbselabs.com\/#personlogo","inLanguage":"en-US","url":"https:\/\/secure.gravatar.com\/avatar\/93ba5dedf76e89af65ae2e1d6ac09855?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/93ba5dedf76e89af65ae2e1d6ac09855?s=96&d=mm&r=g","caption":"Veerendra"},"sameAs":["https:\/\/www.cbselabs.com\/ncert-solutions-2\/","https:\/\/www.facebook.com\/veerendracbse","https:\/\/www.instagram.com\/veerendra.amujuri\/","https:\/\/in.linkedin.com\/in\/veerendra-amujuri-a7a455174","https:\/\/in.pinterest.com\/VeerendraCbse\/","https:\/\/twitter.com\/VeerendraCBSE","https:\/\/www.youtube.com\/channel\/UCISfx0_nhlcKcRDg3QLcejA","https:\/\/soundcloud.com\/veerendra-cbse","https:\/\/veerendrart.tumblr.com\/"],"url":"https:\/\/www.cbselabs.com\/author\/veerendra\/"}]}},"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.cbselabs.com\/wp-json\/wp\/v2\/posts\/55631"}],"collection":[{"href":"https:\/\/www.cbselabs.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cbselabs.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cbselabs.com\/wp-json\/wp\/v2\/users\/30"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cbselabs.com\/wp-json\/wp\/v2\/comments?post=55631"}],"version-history":[{"count":0,"href":"https:\/\/www.cbselabs.com\/wp-json\/wp\/v2\/posts\/55631\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.cbselabs.com\/wp-json\/wp\/v2\/media?parent=55631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cbselabs.com\/wp-json\/wp\/v2\/categories?post=55631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cbselabs.com\/wp-json\/wp\/v2\/tags?post=55631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}