Answer
See below.
Work Step by Step
$LHS=sin^2\theta(1+\frac{cos^2\theta}{sin^2\theta})=sin^2\theta+cos^2\theta=1=RHS$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 7 - Analytic Trigonometry - Chapter Review - Review Exercises - Page 506: 29
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