2 3 3*cot (3*x) - - - ----------- 3 2/ 4\ 2 2 12*x *acos \x / ----------------- - --------------- __________ ________ \/ cot(3*x) / 8 \/ 1 - x
/ 2 \ | / 2 \ 6 / 4\ 10 2/ 4\ 2 2/ 4\| | __________ / 2 \ 3*\1 + cot (3*x)/ 32*x *acos\x / 16*x *acos \x / 12*x *acos \x /| 3*|3*\/ cot(3*x) *\1 + cot (3*x)/ - ------------------ - -------------- - ---------------- - ---------------| | 3/2 8 3/2 ________ | | 4*cot (3*x) -1 + x / 8\ / 8 | \ \1 - x / \/ 1 - x /
/ 3 2 \ | 9 / 2 \ / 2 \ 5 / 4\ 9 2/ 4\ 17 2/ 4\ 2/ 4\ 13 / 4\| | 128*x 3/2 / 2 \ 27*\1 + cot (3*x)/ 9*\1 + cot (3*x)/ 288*x *acos\x / 208*x *acos \x / 192*x *acos \x / 24*x*acos \x / 384*x *acos\x /| 3*|- ----------- - 18*cot (3*x)*\1 + cot (3*x)/ - ------------------- + ------------------ - --------------- - ---------------- - ----------------- - -------------- + ----------------| | 3/2 5/2 __________ 8 3/2 5/2 ________ 2 | | / 8\ 8*cot (3*x) 2*\/ cot(3*x) -1 + x / 8\ / 8\ / 8 / 8\ | \ \1 - x / \1 - x / \1 - x / \/ 1 - x \-1 + x / /