Answer
$\theta=\pi/4$
or
$\theta=5\pi/4$
Work Step by Step
$x=y$
$rcosθ=rsinθ$
$cosθ=sinθ$
$\frac{sin\theta}{cos\theta}=1$
$\tan{\theta}=1$
$\theta=\pi/4$
or
$\theta=5\pi/4$
Calculus: Early Transcendentals 8th Edition
by Stewart, James
Published by
Cengage Learning
ISBN 10:
1285741552
ISBN 13:
978-1-28574-155-0
Chapter 10 - Section 10.3 - Polar Coordinates - 10.3 Exercises - Page 667: 22
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