(1,0)

(0,1)

(-1,0)

(0,-1)

O = Intersect(xAxis, yAxis)
B = Point(yAxis)
c = Circle(O, B)
P = Point(c)
A = Intersect(c, xAxis, 2)
α = Angle(A, O, P)
f = Segment(O, P)
g = OrthogonalLine(P, xAxis)
h = OrthogonalLine(P, yAxis)
C = Intersect(h, yAxis)
H = Intersect(xAxis, g)
E = Intersect(h, g)
cosα = Segment(O, H)
senα = Segment(P, H)
D = (-1.4, 0)
F = (1.6, 0)
u = Vector(D, F)
G = (0, -1.2)
I = (0, 1.4)
v = Vector(G, I)
w = Vector(D, F)
a = Vector(G, I)