Question

Cos A tan a = sin a​

Answer 1

Here is your answer~

CosA tanA=sinA

CosA sinA/CosA=sinA

sinA=SinA
L.H.S=R.H.S

Answer 2

here is your ans .....

tan A = sinA/cosA

so cosA x sinA/cosA = sinA

i.e. sinA = SinA

hence proved

hope this will help you