Mul x0 Pow 2 acoth Add x7 atan coth x0 
Add Pow 2 acoth Add x7 atan coth x0 Mul x0 Mul Pow 2 Add acoth Add x7 atan coth x0 -1 Mul 2.69314718055995 Mul Mul Mul -1 Pow csch x0 2 Pow Add 1 Mul coth x0 coth x0 -1 Pow Add 1 Mul -1 Mul Add x7 atan coth x0 Add x7 atan coth x0 -1 