3 2
9 / 2 \ 67/2 / 2 \ 71/2 5 / 4\ 9 2/ 4\ 17 2/ 4\ 2/ 4\ 13 / 4\
384*x 75/2 / 2 \ 357627*\1 + cot (x)/ *cot (x) 15695*\1 + cot (x)/ *cot (x) 864*x *acos\x / 624*x *acos \x / 576*x *acos \x / 72*x*acos \x / 1152*x *acos\x /
- ----------- - 146*cot (x)*\1 + cot (x)/ - -------------------------------- - ------------------------------- - --------------- - ---------------- - ----------------- - -------------- + -----------------
3/2 8 2 8 3/2 5/2 ________ 2
/ 8\ -1 + x / 8\ / 8\ / 8 / 8\
\1 - x / \1 - x / \1 - x / \/ 1 - x \-1 + x /