H.W 1: Prove cos 4x = 1-8 sin² x . cos' x H.W 2: Prove that: sin 2x cos 2x sin x cos x sec x sin ( a -) =- cos a H.W 3: tan x+tan y Prove that tan (x+y) = 1-tan x.tan y

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Q: 3. V2 C T. V2 V2 3 10. sin B =[Select ] 11. cos B = [ Select ] 12. tan B = Select] - -13

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A: To match the given figures with the given equations.

Q: 1. cos x 1 - sin x = sec x + tan x

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Q: 8. Prove that tan? 0 + cos? 0 + sin² 0 = sec² 0. %3D

A: Explanation and solutions is given below....

Q: Prore each of the following identities: (ii) (1+cot 0)sin 0 1 1 (1) (1-cos 0)cosec o=1 rie-1)cot 0 1…

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A: Given :sinθ2=±1-cosθ2cosθ2=±1+cosθ2

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Q: 1+tanx b) 1-tanx = tan (x + ²)

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