Question

√1- cos2x /1+cos 2x =tan x​

Answer 1

Answer:

Cos 2x=1-2sin^2 x=2cos^2 x-1

V(1-cos 2x)=v2 sin x.

V(1+cos 2x=v2 cos x

Therefore L. H. S=v2 sinx/v2 Cos x=tan x

Answer 2

Answer:

your answer is in the ATTACHMENT