Answer
$89^{\circ}54'01''$
Work Step by Step
$89.9004^{\circ}=89^{\circ}+0.9004^{\circ}$
$=89^{\circ}+0.9004(60')=89^{\circ}+54.024'$
$=89^{\circ}+54'+0.024'$
$=89^{\circ}+54'+0.024(60'')$
$=89^{\circ}+54'+1.44''$
$=89^{\circ}54'01''$
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 - 5.1 Angles - 5.1 Exercises - Page 504: 73
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