Answer
$ 100^{\circ} 37' $
Work Step by Step
$ 77^{\circ} 21' $ + $ 23^{\circ} 16' $
$ 77^{\circ} 21' $
$ 23^{\circ} 16' $
_____
$ 100^{\circ} 37' $
Therefore the desired sum is-
$ 100^{\circ} 37' $
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 2 - Section 2.2 - Calculators and Trigonometric Functions of an Acute Angle - 2.2 Problem Set - Page 70: 10
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