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 - Page 504: 42


$143^\circ 20'$

Work Step by Step

In this kind of addition, we add the degrees with the degrees and the minutes with the minutes: $110^\circ25'+32^\circ 55'=(110+25)^\circ+(25+55)'=142^\circ 80'$ This can be rewritten as: $142^\circ 80'=142^\circ +60' +20'=143^\circ 20'$
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