Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 5 - Trigonometric Functions - 5.1 Angles - 5.1 Exercises: 41

Answer

$179^\circ 19'$

Work Step by Step

In this kind of addition, we add the degrees with the degrees and the minutes with the minutes: $97^\circ42'+81^\circ 37'=(97+81)^\circ+(42+37)'=178^\circ 79'$ This can be rewritten as: $178^\circ 79'=178^\circ +60' +19'=179^\circ 19'$
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