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

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

hypocycloid.

If a equals the radius of a fixed circle and b equals the radius of a smaller rotating circle, the parametric equations of the hypocycloid 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.