epicycloid. The American Heritage Dictionary of the English Language: Fourth Edition. 2000

The American Heritage^® Dictionary of the English Language: Fourth Edition. 2000.

epicycloid.

The parametric equations of a three-cusped epicycloid are:

x=(a + b) cos

- b cos a + b/b

y = (a + b) sin

- b sin a + b/b

(Source: Academy Artworks)


The American Heritage^® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved.