Answer
$\frac{\pi}{3}$
Work Step by Step
Let $arctan \sqrt {3}=y$.
Then, tan y=$\sqrt {3}$.
We know that $tan \frac{\pi}{3}= \sqrt {3}$
$⇒y=\frac{\pi}{3}$
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 4 - Section 4.7 - Inverse Trigonometric Functions - 4.7 Problem Set - Page 261: 27
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