30°

30°

45°

60°

90°

0°

M

تعريف الدرجة : هو قيس قوس من دائرة طوله يساوي   360/1  من طول الدائرة

O = Point(yAxis)
A = Point(xAxis)
c = Circle(O, A)
حرك = 294 (slider from 0 to 360, step 1)
M: (1; حرك°)
a = Segment(O, M)
d = CircleArc(O, A, M)
α = Angle(xAxis, a)
B = (0.9275768466934463, 0.5506260532035205)
L = Sequence((1; i°), i, 0, 360, 1)
C = Point(L)
u = Vector(B, C)
D = (0.7599562812775877, 0.7471782819539841)
E = Point(L)
v = Vector(D, E)
G = (0.5543485938463313, 0.9207682619616108)
H = (0.5562773714019719, 0.9149819292946891)
F = (0.5, 0.8660254037844386)
w = Vector(H, F)
I = Point(xAxis)