A = Intersect(xAxis, yAxis)
B = (1, 0)
c = Circle(A, B)
l1 = Sequence((n * π), n, 0, 5, 1)
l2 = Sequence((cos((n * π)), sin((n * π))), n, 0, 5, 1)
p = 3 (slider from 1 to 6, step 1)
l3 = Sequence((cos(π / 2 + ((n * 2) * π)), sin(π / 2 + ((n * 2) * π))), n, 0, 5, 1)
l4 = Sequence((cos(((-π)) / 3 + ((n * 2) * π)), sin(((-π)) / 3 + ((n * 2) * π))), n, 0, 5, 1)
C = Point(c)
α = Angle(B, A, C)
a: x(C)
D: (x(C), 0)
E: (0, y(C))