Ha 2017

a = 1
b = CurveCartesian((a / 2 * ((3 * cos(t)) + cos((3 * t)))), (a / 2 * ((3 * sin(t)) + sin((3 * t)))), t, 0, (2 * π))
Q = Point(b)
Z: (-2.5, 1.5)
f = Tangent(Q, b)
g = OrthogonalLine(Z, f)
P = Intersect(g, f)
Ortslinie1 = Locus(P, Q)