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