visualizza la cardioide

A = Intersect(xAxis, yAxis)
B = (1, 0)
c = Circle(A, B)
α = 4.014257279586958 rad (slider from 0 to 360*°, step 5*°)
D = Intersect(c, xAxis, 1)
A' = Rotate(A, α, D)
a = Line(D, A')
C = Intersect(c, a, 2)
d = Circle(C, 2)
E, F = Intersect(d, a)
e = CurveCartesian(((2 + (2 * cos(t))) * cos(t)) - 1, ((2 + (2 * cos(t))) * sin(t)), t, 0, 6.283185307179586)
b = true