phi: 1
t = 1 (slider from 0 to 1, step 0.02)
C_1: (3, 0, 6)
A: ((3 * cos(((2 * π) * t))), (3 * sin(((2 * π) * t))), 0)
g: z = 6
v = Vector(C_1, (-3, 0, 6))
C: (x(A), 0, 6)
f = Segment((x(A), 0, 6), A)
A_0: (3, 0, 0)
c = Circle(zAxis, A_0)
B = (-0.17308294243263442, -0.48416256968479643)
D = (0.3262910154933666, -0.48416256968479643)