tijdbalk

t = 0.10000000000000013 (slider from -2 to 4, step 0.01)
Aarde: (cos(((2 * 3.141592653589793) * t)), sin(((2 * 3.141592653589793) * t)))
Zon = (0, 0)
a = OrthogonalLine(Aarde, xAxis)
b = OrthogonalLine(Aarde, yAxis)
A = Intersect(a, xAxis)
d = Segment(Aarde, A)
f = Segment(Zon, Aarde)
g = Segment(Zon, A)
α = Angle(A, Zon, Aarde)