Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 7 - Trigonometric Identities and Equations - Chapter 7 Test Prep - Review Exercises - Page 736: 18

Answer

$B$

Work Step by Step

$\sin 35=\cos \left( 90-35\right) =\cos 55\Rightarrow 18\rightarrow B$
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