Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 6 - Section 6.3 - Polar Coordinates - Exercise Set - Page 744: 99

Answer

$\left( -1.857,-3.543 \right)$

Work Step by Step

To determine rectangular coordinate from the polar coordinate, follow the following steps: Step I: Press 2nd and then press APPS key to open Angle Menu. Step II: Press 7. Step III: Enter the point $\left( r,\theta \right)$ and press enter to display x in the $\left( x,y \right)$ rectangular form of the point. Thus, $x=-1.857$ Step IV: Follow Step I and Step II and then press 8. Step V: Enter the point $\left( r,\theta \right)$ and press enter to display y in the $\left( x,y \right)$ rectangular form of the point. Thus, $y=-3.543$ Hence, the rectangular coordinate of $\left( -4,1.088 \right)$ is $\left( -1.857,-3.543 \right)$.
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