PCA Chapter 9 Graphs
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8 Terms
1
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r = a + b cos(θ), a/b < 1
Limacon, inner loop
2
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r = a + b cos(θ), a/b = 1
Limacon, Cardioid
3
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r = a + b cos(θ), 1 < a/b < 2
Limacon, dimpled
4
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r = a + b cos(θ), a/b > 2
Limacon, convex
5
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r = a cos n θ
rose curve, n even then double, n odd then keep. a is petal length
6
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r = a cos θ
circle
7
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r² = a² sin 2 θ
lemniscate
8
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r = a² sin 2 θ
lemniscate