## Precalculus (10th Edition)

Published by Pearson

# Chapter 6 - Trigonometric Functions - 6.1 Angles and Their Measure - 6.1 Assess Your Understanding - Page 362: 36

#### Answer

$\dfrac{2\pi}{3}$ radians

#### Work Step by Step

To convert from degrees to radians, the answer in degrees must be multiplied by $\frac{\pi}{180^o}$. Therefore $120°= 120 \times \frac{\pi}{180}=\frac{2\pi}{3}$ radians

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