Tangente

Normale

P = (-2.78, 2.06)
S = (4.4, 2.03)
C = (0.6, 4.34)
c = Ellipse(P, S, C)
M = Point(c)
a = Tangent(M, c)
b = Segment(P, M)
P' = Mirror(P, a)
d = Segment(P', S)
e = AngularBisector(P, M, S)
f = Circle(S, P')
g = Segment(P', P)