Calculus 8th Edition

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: 21

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: $rsin\theta=2$ $r=\frac{2}{sin\theta}=2csc\theta$
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