Precalculus (10th Edition)

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: 47

Answer

See explanations.

Work Step by Step

$LHS=\frac{1/cos\theta}{1/sin\theta}+\frac{sin\theta}{cos\theta}=\frac{sin\theta}{cos\theta}+\frac{sin\theta}{cos\theta}=\frac{2sin\theta}{cos\theta}=2tan\theta$
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