f(x) = sin(2 * x) - sin(x)
g = Function(f, 0, 6.283185307179586)
A = Intersect(g, a, (0.5678, 0.3690087284954626))
B = Intersect(g, b, (2.2057, -1.760172589913878))
C = Intersect(g, d, (4.0775, 1.7601725919156315))
D = Intersect(g, c, (5.7154, -0.36900872682869956))
E = Intersect(g, xAxis, (1.047197551194842, 2.633782081318259E-12))
G = Intersect(g, xAxis, (3.1415926527057865, 0))
H = Intersect(g, xAxis, (5.2359877542133795, 2.6544139108963805E-9))
J = Intersect(g, xAxis, (5.235987756557545, -8.618347147049121E-10))
K = Intersect(g, xAxis, (5.235987757866387, -2.8250976003008077E-9))
F = (6.283185307179586, 0)
I = (0, 0)