Answer
b)
Work Step by Step
By using the figures from this chapter, a four-leaved rose has an equation in the form $y=a\cos2\theta$ or $y=a\sin2\theta$. Among the given equations, only b) satisfies this, thus this is the answer.
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 8 - Section 8.6 - Equations in Polar Coordinates and Their Graphs - 8.6 Problem Set - Page 470: 78
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