Trigonometry (10th Edition)

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

Chapter 3 - Review Exercises - Page 128: 11

Answer

$225^{\circ}$

Work Step by Step

In order to convert a radian measure to degrees, we must multiply the given radian measure by $\frac{180}{\pi}^{\circ}$ and simplify. Therefore, $\frac{5\pi}{4}radians=\frac{5\pi}{4}(\frac{180}{\pi}^{\circ})=\frac{900\pi}{4\pi}^{\circ}=225^{\circ}$.
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