Question: Problems 52 61. The purpose of these problems is to keep the material fresh in your mind so that you are better prepared for

Problems 52 – 61. 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.

Establish the identity: (1 − sin2θ)(1 + tan2θ) = 1

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