Precalculus (6th Edition)

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

Chapter 5 - Trigonometric Functions - 5.1 Angles - 5.1 Exercises - Page 504: 59

Answer

$20.91^{\circ}$

Work Step by Step

$20^{\circ}54'36''=20^{\circ}+\frac{54}{60}^{\circ}+\frac{36}{3600}^{\circ}$ $=20^{\circ}+0.9^{\circ}+0.01^{\circ}=20.91^{\circ}$
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