Parametric Equation of a Circle: Visual representation of x = r cos θ and y = r sin θ for a unit circle.
Graph showing the parametric equations of a circle with center at the origin, radius r, and point P(x, y) = (r cos θ, r sin θ), illustrating x = r cos θ and y = r sin θ for 0 ≤ θ ≤ 2π.
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ID: #558591