Mul Add Add tanh acos x0 E x0 cbrt log Add x0 -0.416146836547142 
Add Mul cbrt log Add x0 -0.416146836547142 Add Mul Pow sech acos x0 2 Mul -1 Pow sqrt Add 1 Mul -1 Mul x0 x0 -1 1 Mul Add Add tanh acos x0 E x0 Mul Pow Mul Mul 3 cbrt log Add x0 -0.416146836547142 cbrt log Add x0 -0.416146836547142 -1 Pow Add x0 -0.416146836547142 -1 