acot(x) ------- 2 ___ \/ x
acot(x)/(sqrt(x))^2
1 acot(x) - ---------- - ------- / 2\ 2 x*\1 + x / x
/ 1 acot(x) 1 \ 2*|--------- + ------- + -----------| | 2 3 2 / 2\| |/ 2\ x x *\1 + x /| \\1 + x / /
/ 2 \ | 4*x | | -1 + ------ | | 2 | | 3 1 + x 3*acot(x) 3 | -2*|--------- + ----------- + --------- + -----------| | 2 2 3 2 / 2\| |/ 2\ / 2\ x x *\1 + x /| \\1 + x / \1 + x / / ------------------------------------------------------ x