Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 6 - The Circular Functions and Their Graphs - 6.1 Radian Measures - 6.1 Exercises - Page 573: 14

Answer

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

Work Step by Step

$\frac{120}{180} = \frac{x}{\pi}$ $x = \frac{2\pi}{3}$
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