Answer
$\pi+\frac{\pi}{3}$
Work Step by Step
We know that $\frac{4\pi}{3}=\pi+\frac{\pi}{3}$, because $\pi+\frac{\pi}{3}=(1+\frac{1}{3})\pi=(\frac{4}{3})\pi=\frac{4\pi}{3}$.
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 3 - Section 3.2 - Radians and Degrees - 3.2 Problem Set - Page 132: 40
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