Question: Problems 94 103. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for

Problems 94 – 103. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for later sections, a final exam, or subsequent courses such as calculus.

Show that sin5 x = sin x − 2 cos2 x sin x + cos4 x sin x.

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