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OpenStudy (anonymous):
Prove sinx^2= 1-cos2x/2, use the left side to start the proof.....help please?
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OpenStudy (mertsj):
\[\sin x^2=1-\frac{\cos (2x)}{2}\]
OpenStudy (mertsj):
Is that what you meant to post?
OpenStudy (anonymous):
wait instead of sinx^2 its actually sin^2x sorry my bad
OpenStudy (mertsj):
\[\sin ^2x=1-\frac{\cos 2x}{2}\]
OpenStudy (mertsj):
Like that?
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OpenStudy (anonymous):
it looks like this: |dw:1388979679581:dw|
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