Order of scheme
ki
2nd order
sinα
4th order
8 sin α + sin 2 α 6
6th order
14 9 sin α + 1 18 sin 2 α 1 + 2 3 cos α
8th order
40 27 sin α + 25 108 sin 2 α 1 + 8 9 cos α + 1 18 cos α
10th order
17 12 sin α + 191 300 sin 2 α + 1 300 sin 3 α 1 + cos α + 1 10 cos 2 α