Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 3 - Radian Measure and the Unit Circle - Section 3.1 Radian Measure - 3.1 Exercises - Page 98: 27


Refer to the step-by-step part below for the solution. $3\pi = 540^o$

Work Step by Step

An angle in radian measure can be converted to degree measure by multiplying $\dfrac{180^o}{\pi}$. Example: $\require{cancel}3\pi \\= 3\pi \cdot \dfrac{180^o}{\pi} \\= 3\cancel{\pi} \cdot \dfrac{180^o}{\cancel{\pi}} \\=3(180^o) \\=540^o$
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