Question

Prove sinx^2= 1-cos2x/2, use the left side to start the proof.....help please?

Answer 1

\[\sin x^2=1-\frac{\cos (2x)}{2}\]

Answer 2

Is that what you meant to post?

Answer 3

wait instead of sinx^2 its actually sin^2x sorry my bad

Answer 4

\[\sin ^2x=1-\frac{\cos 2x}{2}\]

Answer 5

Like that?

Answer 6

it looks like this: