O = Intersect(xAxis, yAxis)
t = 2.9318146899999995 (slider from -6.28318531 to 6.28318531, step 0.0010)
c = Circle(O, 1.0)
A = (1, 0)
C = Rotate(A, t, O)
α = Angle(A, O, C)
M = Mirror(C, O)
d = Circle(M, 2.0)
e = CircleArc(O, A, C)
P = Rotate(C, -(0.5 * t), M)
β = Angle(P, M, C)
f = CircleArc(M, P, C)