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 505: 83

Answer

$234^{\circ}30'$

Work Step by Step

We add $360^{\circ}$ to the given negative angle measure ($-125^{\circ}30'$) to obtain the angle of least positive measure. $-125^{\circ}30'+360^{\circ}=359^{\circ}60'-125^{\circ}30'=234^{\circ}30'$
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