The Evolute of an Ellipse is given by the parametric equations

(1) | |||

(2) |

which can be combined and written

(3) |

**References**

Gray, A. *Modern Differential Geometry of Curves and Surfaces.* Boca Raton, FL: CRC Press, p. 77, 1993.

© 1996-9

1999-05-25