Precalculus (6th Edition)

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

Chapter 5 - Trigonometric Functions - 5.3 Trigonometric Functions Values and Angle Measures - 5.3 Exercises: 24

Answer

$\cos 45^{0}$

Work Step by Step

$\sin 45^{0}=\cos \left( 90-45\right) ^{0}=\cos 45^{0}$
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