y = sin x

A = Intersect(xAxis, yAxis)
c = Circle(A, 1)
B = (1.138895564582752, 0.9583743723209526)
a = Ray(A, B)
C = Intersect(c, a, 1)
α = Angle(xAxis, a)
f = OrthogonalLine(C, yAxis)
E = Intersect(f, yAxis)
g = Segment(E, A)
h = Segment(E, C)