FuochiParabola

c: y = x^(2)
f: x = 0
A = Point(c)
g = Tangent(A, c)
h = OrthogonalLine(A, g)
i = Line(A, f)
i' = Mirror(i, h)
B = Intersect(i', f)
d = Circle(A, 0.5)
C, D = Intersect(d, i)
E, F = Intersect(d, g)
G, H = Intersect(d, i')
α = Angle(F, A, C)
β = Angle(G, A, E)