afstand = 3 (slider from 0 to 5, step 0.1)
T = (11, -2)
c = Circle(T, abs(afstand))
Q: (-6, -2)
r = Ray(Q, T)
i = OrthogonalLine(T, r)
A, B = Intersect(c, i)
f = Line(B, r)
verschilhoek = 0.47123889803846897 rad (slider from ° to helling, step °)
helling = 1.186823891356144 rad (slider from ° to 179°, step °)
V = Point(r)
T' = Rotate(T, helling, V)
s = Line(T', V)
U = Intersect(f, s)
N = Point(f)
N' = Rotate(N, verschilhoek, U)
W = Point(s)
Z = Point(s)
γ = Angle(U, V, T)
h = Ray(N', U)
α = Angle(B, U, V)
ε = Angle(T', U, B)
g = Segment(N', U)
ζ = Angle(N', U, N)
δ = Angle(N', U, V)
d = Circle(U, N')
C = Intersect(d, h, 2)
t = Segment(U, C)