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: 65

Answer

$39^{\circ}15'$

Work Step by Step

$39.25^{\circ}=39^{\circ}+0.25^{\circ}$ $=39^{\circ}+0.25(60')$ $=39^{\circ}+15'=39^{\circ}15'$
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