n = 5 (slider from 3 to 10, step 1)
v = 5 (slider from 1 to 6, step 0.1)
r = 4 (slider from 1 to 5, step 0.1)
α: (360°) / n
text1: "α  =  " + (LaTeX[α]) + ""
S = Intersect(xAxis, yAxis)
V = Point(zAxis)
W = Point(yAxis)
U = Point(xAxis)
m = Line(S, W)
q = Line(S, V)
l = Line(S, U)
p = OrthogonalPlane(U, zAxis)
A: (r, 0)