Question

cos2A/ 1-sin 2A = tan (pi/4-A)​

Answer 1

Answer:

Hello users....

We have to prove that

Cos2A/1+sin2A=tan(π/4-A)

Solution:-

As shown in attachment...

Formula used :

Cos 2x = cos²x- sin²x

Sin²x +cos² x =1

Sin 2x = 2sin x cos x

And

(1-tan x)/(1+tan x) = tan (π/4 -x)

⭐⭐ Hope it helps ⭐⭐

Answer 2

Answer:

Hope this helps you

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Thank You❤