Answer
$( \sqrt {13} , -.588)$
Work Step by Step
First find r by using the equation $r^2 = x^2 + y^2 $
$r= \sqrt{ 9+4} $
$r= \sqrt {13} $
Use the arctan to find the angle
$ θ = arctan(-\frac{2}{3}) $
$ θ= -.588 $
$( \sqrt {13} , -.588)$
Calculus 10th Edition
by Larson, Ron; Edwards, Bruce H.
Published by
Brooks Cole
ISBN 10:
1-28505-709-0
ISBN 13:
978-1-28505-709-5
Chapter 10 - Conics, Parametric Equations, and Polar Coordinates - 10.4 Exercises - Page 722: 17
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