Add sech asec Add x3 log x0 x0 
Add Mul Mul tanh asec Add x3 log x0 Mul -1 sech asec Add x3 log x0 Mul Pow x0 -1 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul Add x3 log x0 Add x3 log x0 -1 Add x3 log x0 Add x3 log x0 -1 1 