Precalculus (6th Edition) Blitzer

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

Chapter 9 - Section 9.6 - Conic Sections in Polar Coordinates - Exercise Set - Page 1032: 47

Answer

does not make sense

Work Step by Step

This statement does not make sense because we can test to see if the equation is symmetric with respect to the y-axis by replacing $r, \theta$ with $-r, -\theta$ and the equation is not symmetric with respect to the y-axis.
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