Pow x0 Add x2 Mul sec Add x0 2 log cosh x0 
Mul Pow x0 Add Add x2 Mul sec Add x0 2 log cosh x0 -1 Add Add x2 Mul sec Add x0 2 log cosh x0 Mul Mul x0 log x0 Add Mul log cosh x0 Mul tan Add x0 2 sec Add x0 2 Mul sec Add x0 2 Mul sinh x0 Pow cosh x0 -1 