Question

prove that cos.tan= sin

Answer 1

=cos.tan=sin
=cos.sin/cos
=sin

Answer 2

hey mate here is your

cos.tan=sin...........(1)

but tan = sin/cos

so put value of tan in the lhs of equation (1)

so,
cos.sin/cos

=sin

=RHS

hence proved

hope it will help you

mark me brainliest ✌✌✌✌