Answer
$-\pi/3$
Work Step by Step
This is a tangent function and our value is in the 4th quadrant (refer to the unit circle). Therefore the answer should be what is in the parentheses $-\pi/3$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 5 - Section 5.5 - Inverse Trigonometric Functions and Their Graphs - 5.5 Exercises - Page 445: 40
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