Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 13 - Vector Geometry - 13.7 Cylindrical and Spherical Coordinates - Exercises - Page 699: 18

Answer

$\theta =\frac{\pi}{3}$ is a half-plane. See the figure below.

Work Step by Step

$\theta =\frac{\pi}{3}$ is a half-plane rotated $60^{\circ}$ from the x-axis. See the figure below.
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