α = 3.839724354387525 rad (slider from 0 to 6.283185307179586, step 2*°)
A = Intersect(xAxis, yAxis)
B = Point(xAxis)
C = Rotate(B, α, A)
d = Segment(A, C)
b = Line(C, xAxis)
c = Circle(A, B)
β = Angle(B, A, C)
b' = Mirror(b, d)
a = CurveCartesian((3 / 2 * cos(t)) - cos(t)^(3), sin(t)^(3), t, 0, 6.283185307179586)
D = Intersect(b, yAxis)
γ = Angle(D, C, A)
E = Intersect(b', xAxis)
δ = Angle(A, C, E)