t

https://www.geogebra.org/haftendorn
Haftendorn, Buch (Springer):
Kurven erkunden und verstehen
Kap 9.4.2.2: S.281
www.kurven-erkunden-und-verstehen.de

Ha 2016

a: 2
O = (0, 0)
c = Circle(O, (2 * a))
A': ((2 * a), 0)
s = 0.6283185307179586 (slider from 0 to 5, step π / 40)
Q = Rotate(A', s, O)
α = Angle(A', O, Q)
b = Segment(O, Q)
d = OrthogonalLine(Q, xAxis)
d' = Mirror(d, b)
e = CurveCartesian(((2 * a) * cos(t)^(3)), ((a * sin(t)) * (1 + (2 * cos(t)^(2)))), t, 0, (2 * π))
H = Point(d)
f = Ray(Q, H)
B = Point(d')
g = Ray(Q, B)
h = LineBisector(b)
C = Intersect(h, yAxis)
D = Point(g)
i = OrthogonalLine(D, g)
E = Intersect(h, b)
k = Circle(E, x(E))
p = Circle(E, x(Q) / 2)
Ortslinie1 = Locus(E, s)
q = Circle(O, E)
β = Angle(O, Q, H)
γ = Angle(Q, O, C)
δ = Angle(C, Q, O)
A: (a, 0)
j = false