O = (0, 0, 0)
A = (0, 0, 4)
a, c, b = Cone(A, O, 3)
B = (0, 0, -4)
d, e, f = Cone(B, O, 3)
g = Segment(O, A)
P' = (0.683400642905454, 1.8200974897266526, 0)
h = Circle(g, P')
i = Line(P', g)
P, Q = Intersect(i, b)
j = Segment(O, P')
k = Segment(P', P)
l = Segment(P', Q)
u = Vector(O, P)
v = Vector(O, Q)
C = Point(xAxis)
α = Angle(C, O, P')
β = Angle(P', O, P)
γ = Angle(P, O, A)