f(x) = If[0 < x < (2 * π), sin(x)]
c = Circle((-1.5, 0), 1)
g = Segment((-1.5, -1.1), (-1.5, 1.1))
h = Segment((-2.6, 0), (-0.4, 0))
i = Segment((-0.1, 0), ((2 * π) + 0.1, 0))
j = Segment((0, -1.1), (0, 1.1))
l1: {π / 6, π / 4, π / 3, π / 2}
l2: f(l1)
u = Vector((0, 0), (-1.5, 0))
l3 = Sequence(Rotate[(1, 0) + u, (k * π / 12), (0, 0) + u], k, 1, 24)
A = Point(l3)
B = Point(l3)
C = Point(l3)
D = Point(l3)
E = Point(l3)
F = Point(l3)
G = Point(l3)
H = Point(l3)
I = Point(l3)
J = Point(l3)
K = Point(l3)
L = Point(l3)
M = Point(l3)
N = Point(l3)
O = Point(l3)
P = Point(l3)
Q: (π / 6, sin(π / 6))
R: (π / 4, sin(π / 4))
S: (π / 3, sin(π / 3))
T: (π / 2, sin(π / 2))
U: (0, 0)
k = Segment((π / 6, 0), (π / 6, sin(π / 6)))
V: (x(A), 0)
l = Segment(A, V)