Prove sin^ -1/2x * cos x=cot x sqrt sin x

Answer 1

sin^(-1/2x)(cosx)=(cotx)(√sinx)

multiply both sides by sin^(1/2x)

(sin^(1/2x))(sin(-1/2x)(cosx)=(cotx)(√sinx)(sin^(1/2x))

sin^(1/2x)=√sinx

cosx=(cosx/sinx)(sinx)

cosx=cosx

Answer 2

1/sin^(1/2)

I'm lost. ( ) are needed.