phi = -2 (slider from -5 to 5)
t = 0 (slider from 0 to 1, step 0.02)
C_1: (0, 3, 0)
c = Circle(zAxis, C_1)
A: ((3 * cos(((2 * π) * t))), (3 * sin(((2 * π) * t))), 0)
B: (cos(((2 * π) * t) + phi), sin(((2 * π) * t) + phi), 3)
u = Vector(A, B)
f = Line(A, B)
g: z = 6
h = Line(B, A)
C = Intersect(h, g)
i = Segment(C, A)
d = Circle(zAxis, B)
D = (-0.49306723735546876, 2.3015702641141633)
E = (0.006306720570532193, 2.3015702641141633)