Z'

Q'

P'

1

θ'

\frac{\pi}{2}

https://www.geogebra.org/haftendorn
Haftendorn, Buch (Springer):
Kurven erkunden und verstehen
Kap 6.5.2: S. 175
www.kurven-erkunden-und-verstehen.de

Ha 2016

b: acos(2 / π)
O: (0, 0)
E: (1, 0)
c = Circle(O, E)
t: b
Z: (0, (2 * t / π))
Q: (1; t)
f = Segment(O, Q)
g = Line(Z, xAxis)
P = Intersect(g, f)
B_1, C = Intersect(c, g)
h = Segment(Z, C)
r(x) = (2 * x / ((π * sin(x))))
i: y = 2
j: y = 4
a = CurveCartesian((r(t) * cos(t)), (r(t) * sin(t)), t, (-2 * π), (4 * π))
k = OrthogonalLine(E, xAxis)
l = Ray(O, Q)
A: (2 / π, 0)
B = Intersect(l, k)
θ = Angle(E, O, Q)
m = OrthogonalLine(A, xAxis)
n = OrthogonalLine(E, xAxis)
p = Segment(O, B)
d = false