The curve defined in polar form by can be written in Cartesian coordinates as which…

MATHEMATICS · Single correct · AP · AP Precalculus · Trigonometric and Polar Functions · Trigonometric and Polar Functions

Problem

The curve defined in polar form by r=4cos⁡θr = 4\cos\theta can be written in Cartesian coordinates as which of the following equations? (a) x2+y2=16x^{2}+y^{2}=16 (b) x2+y2=4xx^{2}+y^{2}=4x (c) x2+y2=4yx^{2}+y^{2}=4y (d) x2+y2=16xx^{2}+y^{2}=16x

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