A = Intersect(xAxis, yAxis)
B = Point(yAxis)
A' = Rotate(A, 30*°, B)
α = Angle(A, B, A')
B' = Rotate(B, -30*°, A)
β = Angle(B', A, B)
a = Line(B, A')
C = (-1.82, -3.18)
b = Line(A, C)
D = Intersect(a, b)
u = Vector(A, B)
v = Vector(B, D)
w = Vector(D, A)
E = Point(b)