Mul Add sech atanh x2 x0 Add Add 1 acoth Pow acosh x0 x5 x4 
Add Add Add 1 acoth Pow acosh x0 x5 x4 Mul Add sech atanh x2 x0 Mul Mul Pow acosh x0 Add x5 -1 Mul x5 Pow Mul sqrt Add x0 -1 sqrt Add 1 x0 -1 Pow Add 1 Mul -1 Mul Pow acosh x0 x5 Pow acosh x0 x5 -1 