This demo displays the epicycloid given by X(t) = ((a + b)cos(t) –
bcos(((a + b)/b)t), (a + b)sin(t) - bsin(((a +
b)/b)t)).

Change the value of t_{0} and other variables as in earlier demos.

As in earlier demos, there are "Show entire curve" and "Show Color Spectrum" options.