START

A = Intersect(xAxis, yAxis)
B = Point(xAxis)
c = Circle(A, B)
a = 171 (slider from 1 to 360, step 1)
C = Point(c)
D = Point(c)
d = CircleSector(A, B, C)
e = CircleSector(A, C, D)
b = false
E = Point(c)
v = Vector(A, E)
Geschwindigkeit = 36 (slider from 0 to 40, step 1)
V = Sequence(Vector[A, ((x(B) * sin((a * 3.14159 / 180))), (x(B) * cos((a * 3.14159 / 180))))], a, 0, 360)
u = Element(V, a)
α = Angle(C, A, D)
β = Angle(B, A, C)
f = CircleSector(A, D, B)