Liigutades punkti A, joonistab punkt Y sinusoidi,
punkt E koosinusoidi ja punkt F tangensoidi.

D: (-1, 0)
B: (-2, 0)
eq1: (x + 2)^(2) + y^(2) = 1
A = Point(eq1)
β = Angle(A, B, D)
A_x: (x(A), 0)
O: (0, 0)
f = Segment(A_x, A)
g = Segment(B, A)
c = CircleArc(B, A, D)
C: (β, 0)
Y: (β, y(A))
h = Segment(A, Y)
i = Segment(O, C)
d = CircleArc(B, D, A)
E: (90° - β, y(A))
F: (x(A), β)