CPM Homework Help : PC3 Problem 8-152

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8-152.

Verify that $\sin^2(θ)(1+\cot^2(θ))=1$ .

Step 1:

$\sin^2(\theta)+\sin^2(\theta)\cot^2(\theta)$

Step 2:

$\sin^2(\theta)+\sin^2(\theta)\cdot\frac{\cos^2(\theta)}{\sin^2(\theta)}$

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