## Epitrochoid

An Epitrochoid is a plane curve generated by the motion of a fixed point on the radius or extension of the radius of a circle that rolls externally, without slipping, on a fixed circle. The epitrochoid is a generalization of the epicycloid. The Epitrochoid is a special case of the Limacon of Pascal with R = r.

Get copyable formulas for Epitrochoid from Differential Geometry Library (MathML, TeX, Mathematica input, Maple input)

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