Pow x0 exp cos sec Add x0 x0 
Mul Pow x0 Add exp cos sec Add x0 x0 -1 Add exp cos sec Add x0 x0 Mul Mul x0 log x0 Mul exp cos sec Add x0 x0 Mul Mul -1 sin sec Add x0 x0 Mul Mul tan Add x0 x0 sec Add x0 x0 2 