\theta

Ω = (2.66, 0.6)
M = (7.8, 0.24)
c = Circle(Ω, M)
N = Point(c)
u = Vector(Ω, M)
v = Vector(Ω, N)
α = Angle(M, Ω, N)
A = (3.7, 0.96)
B = (3.5, 1.38)
w = Vector(A, B)