Answer
See explanations.
Work Step by Step
Step 1. $LHS=sec^2\theta(sec^2\theta-1)=sec^2\theta tan^2\theta$
Step 2. $RHS=tan^2\theta(tan^2\theta+1)= tan^2\theta sec^2\theta=LHS$
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 - 7.4 Trigonometric Identities - 7.4 Assess Your Understanding - Page 476: 37
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