P´

M: (0, 3)
d = Circle(M, 3)
P = Intersect(d, yAxis, 2)
f = Segment(P, M)
a: π
t = 17.5 (slider from 0 to 20, step 0.1)
R: ((3 * sin((t * (360°) / (((2 * π) * 3))))) + t, 3 + (3 * cos((t * (360°) / (((2 * π) * 3))))))
Ortslinie1 = Locus(R, t)