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Astroid Pedal Curve


AstroidPedal

The pedal curve of an astroid

x=acos^3t
(1)
y=asin^3t
(2)

with pedal point at the center is the quadrifolium

x_p=acostsin^2t
(3)
y_p=acos^2tsint.
(4)

See also

Astroid, Pedal Curve, Quadrifolium

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Cite this as:

Weisstein, Eric W. "Astroid Pedal Curve." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/AstroidPedalCurve.html

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