Pow x4 Add -2 tan asech Pow sec x1 x0 
Mul Pow x4 Add Add -2 tan asech Pow sec x1 x0 -1 Mul Mul x4 log x4 Mul Pow sec asech Pow sec x1 x0 2 Mul Mul Pow sec x1 Add x0 -1 Mul sec x1 log sec x1 Pow Mul Mul Pow sec x1 x0 Pow sec x1 x0 sqrt Add 1 Mul -1 Pow Mul Pow sec x1 x0 Pow sec x1 x0 -1 -1 