Answer
See the attached graph.
Work Step by Step
The graph of $r=3+cos3\theta$ is as shown.
When graphing polar equations, look at where $r$ is zero and switches from positive to negative to help with drawing the loops.
See the attached graph.
Calculus: Early Transcendentals 8th Edition
by Stewart, James
Published by
Cengage Learning
ISBN 10:
1285741552
ISBN 13:
978-1-28574-155-0
Chapter 10 - Review - Exercises - Page 690: 12
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