Find a Cartesian equation for the curve and identify it. r = 3 cos(θ)?

1 Answer

  • r = 3cos(θ)

    r² = 3rcos(θ)

    x² + y² = 3x

    x² + y² - 3x = 0

    That is the circle having center (3/2, 0) and radius 3/2.

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