https://www.geogebra.org/haftendorn
Haftendorn, Buch (Springer):
Kurven erkunden und verstehen
Kap 4.3.2: S. 104

Ha 2016

r = 7.3 (slider from -20 to 20, step 0.01)
k = 5 (slider from 0 to 20, step 0.01)
c(x) = (k * sin(x))
e = 3
E': ((-e), 0)
O = (0, 0)
B = (10, 0)
h = Line(O, B)
Q: (r, 0)
i = OrthogonalLine(Q, h)
H = Intersect(c, i, (7.3, 4.252183103142822))
j = Segment(H, Q)
E: (e, 0)
a = OrthogonalLine(Q, xAxis)
b = Segment(O, Q)
f = Circle(E, b)
g = Circle(E', j)
P, P' = Intersect(g, f)
Ortslinie1 = Locus(P, r)
Ortslinie2 = Locus(P', r)
d = Circle(Q, H)
p: (x + e)^(2) + y^(2) = k^(2)
l = false