6*sin(x) + 5*cot(x) - 7*acos(x)
2 7 -5 - 5*cot (x) + 6*cos(x) + ----------- ________ / 2 \/ 1 - x
7*x / 2 \ -6*sin(x) + ----------- + 10*\1 + cot (x)/*cot(x) 3/2 / 2\ \1 - x /
2 2 / 2 \ 7 2 / 2 \ 21*x - 10*\1 + cot (x)/ - 6*cos(x) + ----------- - 20*cot (x)*\1 + cot (x)/ + ----------- 3/2 5/2 / 2\ / 2\ \1 - x / \1 - x /