Maple Programming Environment (Maple IDE), Differential Geometry & Research
Sunday, February 12, 2012
Plane Curves: Tricuspoid
A 3-cusped hypocycloid, also called a tricuspoid. The deltoid was first considered by Euler in 1745 in connection with an optical problem. It was also investigated by Steiner in 1856 and is sometimes called Steiner's hypocycloid.