-1

sin t

O = Intersect(xAxis, yAxis)
A = (-1, 0)
c = Circle(A, 1)
f(x) = sin(x)
M = Point(c)
H: (x(M), 0)
a = Segment(M, H)
d = CircleArc(A, O, M)
S: (d, y(M))
T: (d, 0)
b = Segment(S, T)
e = Segment(O, T)