_________ \/ acot(x)
sqrt(acot(x))
-1 ---------------------- / 2\ _________ 2*\1 + x /*\/ acot(x)
1 x - --------- 4*acot(x) --------------------- 2 / 2\ _________ \1 + x / *\/ acot(x)
2 4*x 3 3*x 1 - ------ - ------------------- + ------------------ 2 / 2\ 2 / 2\ 1 + x 8*\1 + x /*acot (x) 2*\1 + x /*acot(x) ----------------------------------------------------- 2 / 2\ _________ \1 + x / *\/ acot(x)