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Class 10 Trigonometric Identities Booster for Board Exam. Students can study from this comprehensive conceptual PDfs and videos on Trigonometric Identities and its various sub-topics for effective board exam preparation. The concept booster helps the student to swiftly revise the important concepts just before the board exam.<br>For more such video solutions/Pdf solution, visit https://doubtnut.com and clear your doubt instantly.
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BOARDS CONCEPTS BOOSTER TRIGONOMETRIC IDENTITIES Download Doubtnut Today Ques No. Question CONCEPT FOR BOARDS || Chapter TRIGONOMETRIC IDENTITIES 1. TRIGONOMETRIC IDENTITIES 1 1. What is identity? Click to LEARN this concept/topic on Doubtnut CONCEPT FOR BOARDS || Chapter TRIGONOMETRIC IDENTITIES 1. TRIGONOMETRIC IDENTITIES 2 2. Prove sin2θ + cos2θ = 1 Click to LEARN this concept/topic on Doubtnut CONCEPT FOR BOARDS || Chapter TRIGONOMETRIC IDENTITIES 1. TRIGONOMETRIC IDENTITIES 3 3. Prove sec2θ = 1 + tan2θ Click to LEARN this concept/topic on Doubtnut CONCEPT FOR BOARDS || Chapter TRIGONOMETRIC IDENTITIES
1. TRIGONOMETRIC IDENTITIES 4 4. Prove cosec2θ = 1 + cot2θ Click to LEARN this concept/topic on Doubtnut CONCEPT FOR BOARDS || Chapter TRIGONOMETRIC IDENTITIES 1. TRIGONOMETRIC IDENTITIES 5. Show : 2sec2θ − sec4θ − 2cosec2θ 5 + cosec4θ = cot4θ − tan4θ Click to LEARN this concept/topic on Doubtnut CONCEPT FOR BOARDS || Chapter TRIGONOMETRIC IDENTITIES 1. TRIGONOMETRIC IDENTITIES 6 6. For any acute angle ; Prove (i) tan = sin /cos (ii) cot = cos /sin θ θ θ θ θ θ θ Click to LEARN this concept/topic on Doubtnut CONCEPT FOR BOARDS || Chapter TRIGONOMETRIC IDENTITIES 1. TRIGONOMETRIC IDENTITIES 7. Prove 1 1 + sinθ 7 1 + 1 − sinθ = 2sec2θ Click to LEARN this concept/topic on Doubtnut
CONCEPT FOR BOARDS || Chapter TRIGONOMETRIC IDENTITIES 1. TRIGONOMETRIC IDENTITIES 8. Show : (1 + tan2θ)(1 8 + sinθ)(1 − sinθ) = 1 Click to LEARN this concept/topic on Doubtnut CONCEPT FOR BOARDS || Chapter TRIGONOMETRIC IDENTITIES 2. SOME COMPLEX QUESTIONS 1. If cosθ + sinθ = √2cosθ 9 ; show that cosθ − sinθ = √2sinθ Click to LEARN this concept/topic on Doubtnut CONCEPT FOR BOARDS || Chapter TRIGONOMETRIC IDENTITIES 2. SOME COMPLEX QUESTIONS 2. If asinθ + b cosθ = ; prove that acosθ − b sinθ = c 10 ±√a2+ b2− c2 Click to LEARN this concept/topic on Doubtnut CONCEPT FOR BOARDS || Chapter TRIGONOMETRIC IDENTITIES
2. SOME COMPLEX QUESTIONS 3. (tanA + cosecB)2 11 − (cotB − secA)2 = 2tana cotB (cosecA + secB) Click to LEARN this concept/topic on Doubtnut CONCEPT FOR BOARDS || Chapter TRIGONOMETRIC IDENTITIES 2. SOME COMPLEX QUESTIONS 12 4. If and ; show that q(p2− 1) = 2p sinθ + cosθ = p secθ + cosecθ = q Click to LEARN this concept/topic on Doubtnut CONCEPT FOR BOARDS || Chapter TRIGONOMETRIC IDENTITIES 2. SOME COMPLEX QUESTIONS 5. If 13
(1 + sin2θ = 3sinθcosθ 1 ; Find value of tanθ = 1 and 2 Click to LEARN this concept/topic on Doubtnut CONCEPT FOR BOARDS || Chapter TRIGONOMETRIC IDENTITIES 2. SOME COMPLEX QUESTIONS sinθ =24 6. If Find the value of 25 14 cosθ; tanθ; cotθ; using trigonometric identities secθ and cosecθ Click to LEARN this concept/topic on Doubtnut Download Doubtnut to Ask Any Math Question By just a click Get A Video Solution For Free in Seconds Doubtnut Has More Than 1 Lakh Video Solutions Free Video Solutions of NCERT, RD Sharma, RS Aggarwal, Cengage (G.Tewani), Resonance DPP, Allen, Bansal, FIITJEE, Akash, Narayana, VidyaMandir Download Doubtnut Today