Answer
$4r = \frac{cotθ}{sinθ}$
Work Step by Step
$4y^{2} = x$
$4(rsinθ^{2}) = rcosθ$
$4r(sinθ^{2}) = cosθ$
$4r = \frac{cosθ}{sinθ^{2}}$
$4r = \frac{cotθ}{sinθ}$
Multivariable Calculus, 7th Edition
by Stewart, James
Published by
Brooks Cole
ISBN 10:
0-53849-787-4
ISBN 13:
978-0-53849-787-9
Chapter 10 - Parametric Equations and Polar Coordinates - 10.3 Exercises - Page 687: 24
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