Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 4 - Section 4.1 - Angles and Radian Measure - Exercise Set - Page 532: 20


-$\frac{3\pi}{2}$ radians

Work Step by Step

To convert degrees to radians, multiply degrees by $\frac{\pi}{180 °}.$ So -270° = -270 ° x $\frac{\pi}{180 °}$ = -$\frac{3\pi}{2}$ radians.
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