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16 May, 10:14

What is the polar graph of r = 2cos3 (theta) and a characteristic?

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  1. 16 May, 13:40
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    we are given the function r=2cos (3θ)

    from the pythagorean theorem, r2 = x2 + y2

    from the polar definition, x=rcos3θ x/r = cos3θ y=rsin3θ r=2 x/r r2 = 2x x2 + y2 - 2x=0.

    This equation represents a parabola
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