1

sin(x)

x

sin(x)

x

cos(x)

cos(x)

Cos(x)

Sin(x)

c: (x + 2)^(2) + y^(2) = 1
A = Point(c)
A_x: (x(A), 0)
B: (-2, 0)
D: (-1, 0)
O: (0, 0)
f = Segment(B, A)
g = Segment(A, A_x)
α = Angle(D, B, A)
d = CircleArc(B, D, A)
C: (α, 0)
Y: (α, y(A))
i = Segment(Y, C)
j = Segment(C, O)
E = (-2, 1)
l = Segment(B, A_x)
G: (x(C), cos(α))
k = Segment(C, G)
e = false
a = false