Generating a Cardioid IV: Feet of Perpendiculars
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Consider the set consisting of the feet of the perpendiculars dropped from a particular point on a given circle onto all possible tangents to the circle. This set of points is a cardioid.
Contributed by: Jaime Rangel-Mondragon (March 2011)
Open content licensed under CC BY-NC-SA
"Generating a Cardioid IV: Feet of Perpendiculars"
Wolfram Demonstrations Project
Published: March 7 2011