Answer
$74.31^{\circ}$
Work Step by Step
1. Use convertion
$1'=\frac{1}{60}^{\circ}$
$1''=\frac{1}{3600}^{\circ}$
2. $74^{\circ}18'36"=74^{\circ}+\frac{18}{60}^{\circ}+\frac{36}{3600}^{\circ}=74.31^{\circ}$
Trigonometry (10th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671775
ISBN 13:
978-0-32167-177-6
Chapter 1 - Test - Page 44: 8
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