exp asech sec Pow pi Add x2 x0 
Mul exp asech sec Pow pi Add x2 x0 Mul Mul Mul tan Pow pi Add x2 x0 sec Pow pi Add x2 x0 Mul Pow pi Add Add x2 x0 -1 Mul pi log pi Pow Mul Mul sec Pow pi Add x2 x0 sec Pow pi Add x2 x0 sqrt Add 1 Mul -1 Pow Mul sec Pow pi Add x2 x0 sec Pow pi Add x2 x0 -1 -1 