10. Two petals of $r = 4 \sin 3\theta$
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The rose $r=\cos (3 \theta)$ has _______ petals.
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THINK ABOUT IT How many petals do the rose curves given by $r=2\ \cos\ 4\theta$ and $r=2\ \sin\ 3\theta$ have? Determine the numbers of petals for the curves given by $r=2\ \cos\ n\theta$ and $r=2\ \sin\ n\theta$, where $n$ is a positive integer.
Topics in Analytic Geometry
Graphs of Polar Equations
petal, sepal
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