2 / 2 \ 6*acos(3*x)*cot(3*x) acos (3*x)*\-3 - 3*cot (3*x)/ - -------------------- __________ / 2 \/ 1 - 9*x
/ / 2 \ \ | / 1 3*x*acos(3*x)\ 2 / 2 \ 2*\1 + cot (3*x)/*acos(3*x)| 18*|- |--------- + -------------|*cot(3*x) + acos (3*x)*\1 + cot (3*x)/*cot(3*x) + ---------------------------| | | 2 3/2| __________ | | |-1 + 9*x / 2\ | / 2 | \ \ \1 - 9*x / / \/ 1 - 9*x /
/ / 2 \ / 2 \ \ | | acos(3*x) 9*x 27*x *acos(3*x)| / 2 \ / 1 3*x*acos(3*x)\ 2 / 2 \ / 2 \ 6*\1 + cot (3*x)/*acos(3*x)*cot(3*x)| 54*|- |------------- - ------------ + ---------------|*cot(3*x) + 3*\1 + cot (3*x)/*|--------- + -------------| - acos (3*x)*\1 + cot (3*x)/*\1 + 3*cot (3*x)/ - ------------------------------------| | | 3/2 2 5/2 | | 2 3/2| __________ | | |/ 2\ / 2\ / 2\ | |-1 + 9*x / 2\ | / 2 | \ \\1 - 9*x / \-1 + 9*x / \1 - 9*x / / \ \1 - 9*x / / \/ 1 - 9*x /