Question

Sinx - cos^2x . sinx / sin^2x ???
Please need untuk besok

Answer 1

( sin x - cos^2 x. Sin x) / sin^2 x
= [ sin x ( 1 - cos^2 x)] / sin^2 x
= (1 - cos^2 x) / sin x
= sin^2 x / sin x
= sin x