tan acoth Pow x0 coth Add -4 csch x2 
Mul Pow sec acoth Pow x0 coth Add -4 csch x2 2 Mul Mul Pow x0 Add coth Add -4 csch x2 -1 coth Add -4 csch x2 Pow Add 1 Mul -1 Mul Pow x0 coth Add -4 csch x2 Pow x0 coth Add -4 csch x2 -1 