Question
In Exercises $27-80,$ verify the given identities.$$\sin ^{3} x=\sin x-\sin x \cos ^{2} x$$
Step 1
Step 1: Start with the right hand side of the identity and factor out $\sin x$: $$\sin x-\sin x \cos ^{2} x = \sin x(1-\cos ^{2} x)$$ Show more…
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