Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 8 - Application of Trigonometry - 8.7 Polar Equations and Graphs - 8.7 Exercises - Page 819: 3


$\pm \sqrt {2}$

Work Step by Step

$r^{2}=4\sin 2\theta \Rightarrow r^{2}=4\sin \left( 2\times 15\right) =4\times \sin 30=2\Rightarrow r=\pm \sqrt {2}$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.