Question

good morning gyzz♥♥
solve this question plzz...​

Answer 1

Answer:

Step-by-step explanation:

hey

first take sin x common in numerator and cos x in denominator

sinx(1-2sin^2x)/cos x(2cos^2x-1)

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

so sinx/cosx=tanx=rhs

hence proved