acsch Mul asech Add x0 2 atan sec x6 
Mul Mul -1 Mul atan sec x6 Pow Mul Mul Add x0 2 Add x0 2 sqrt Add 1 Mul -1 Pow Mul Add x0 2 Add x0 2 -1 -1 Pow Mul Mul Mul asech Add x0 2 atan sec x6 Mul asech Add x0 2 atan sec x6 sqrt Add 1 Mul -1 Pow Mul Mul asech Add x0 2 atan sec x6 Mul asech Add x0 2 atan sec x6 -1 -1 