atanh asec Add Mul Add sec x2 cos x5 x1 x0 
Mul Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul Add Mul Add sec x2 cos x5 x1 x0 Add Mul Add sec x2 cos x5 x1 x0 -1 Add Mul Add sec x2 cos x5 x1 x0 Add Mul Add sec x2 cos x5 x1 x0 -1 Pow Add 1 Mul -1 Mul asec Add Mul Add sec x2 cos x5 x1 x0 asec Add Mul Add sec x2 cos x5 x1 x0 -1 