Answer
$74.31^\circ$
Work Step by Step
Use the conversion $1'=60'', 1^\circ=60'$, we have $74^\circ18'36''=74^\circ18'+(\frac{36}{60})'=74^\circ18'+(0.6)'=74^\circ18.6'=74^\circ+(\frac{18.6}{60})^\circ=74^\circ+(0.31)^\circ=74.31^\circ$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 5 - Trigonometric Functions - Test - Page 562: 4
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