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: 48


$55^\circ 9'$

Work Step by Step

In this kind of substraction, we substract the degrees from the degrees and the minutes from the minutes: $180^\circ$ can be rewritten as: $179^\circ 60'$ $179^\circ 60'-124^\circ 51'=(179-124)^\circ+(60-51)'=55^\circ 9'$
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