Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 1 - Trigonometric Functions - Section 1.1 Angles - 1.1 Exercises: 48

Answer

53$^{\circ}$41'13"

Work Step by Step

1. Redistribute one degree from the 90 degrees to 60 minutes. Then change one of 60 minutes to 60 seconds. $89^{\circ}59'60" - 36^{\circ}18'47" = ?$ 2. Subtract separately then combine $89^{\circ}-36^{\circ}=53^{\circ}$ $59'- 18' =41'$ $60"-47"=13"$ Answer: $53^{\circ}41'13"$
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