Mul asec Add -0.457657554360286 x0 acoth asec x0 
Add Mul acoth asec x0 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul Add -0.457657554360286 x0 Add -0.457657554360286 x0 -1 Add -0.457657554360286 x0 Add -0.457657554360286 x0 -1 Mul asec Add -0.457657554360286 x0 Mul Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul x0 x0 -1 x0 x0 -1 Pow Add 1 Mul -1 Mul asec x0 asec x0 -1 