O: (0, 0)
a: 4
b: 2
c = Circle(O, a)
d = Circle(O, b)
Q = Point(xAxis)
f = OrthogonalLine(Q, xAxis)
B_1, E = Intersect(c, f)
D, B = Intersect(d, yAxis)
g = Line(O, E)
F, G = Intersect(d, g)
h = OrthogonalLine(G, yAxis)
P = Intersect(f, h)
i = OrthogonalLine(E, g)
N = Intersect(i, xAxis)
j = Line(P, N)
Ortslinie1 = Locus(P, Q)
e: x^(2) / a^(2) + y^(2) / b^(2) = 1
A: (a, 0)
k = Segment(O, E)
u = Vector(G, P)
v = Vector(E, P)
α = Angle(O, E, N)