Answer
$r=2csc\theta$
Work Step by Step
$y=2$
We know that: $sin\theta=y/r$, so $y=rsin\theta$
Substituting for $y$, we get:
$rsin\theta=2$
$r=\frac{2}{sin\theta}=2csc\theta$
Calculus 8th Edition
by Stewart, James
Published by
Cengage
ISBN 10:
1285740629
ISBN 13:
978-1-28574-062-1
Chapter 10 - Parametric Equations and Polar Coordinates - 10.3 Polar Coordinates - 10.3 - Page 707: 21
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