Add Pow 0.991249611156228 acosh x0 asec x0 
Add Mul Pow 0.991249611156228 Add acosh x0 -1 Mul 0.982460712846883 Pow Mul sqrt Add x0 -1 sqrt Add 1 x0 -1 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul x0 x0 -1 x0 x0 -1 