sec asech sec Add x0 x0 
Mul Mul tan asech sec Add x0 x0 sec asech sec Add x0 x0 Mul Mul Mul tan Add x0 x0 sec Add x0 x0 2 Pow Mul Mul sec Add x0 x0 sec Add x0 x0 sqrt Add 1 Mul -1 Pow Mul sec Add x0 x0 sec Add x0 x0 -1 -1 