acos acoth Pow x0 atan x5 
Mul -1 Mul Mul Mul Pow x0 Add atan x5 -1 atan x5 Pow Add 1 Mul -1 Mul Pow x0 atan x5 Pow x0 atan x5 -1 Pow sqrt Add 1 Mul -1 Mul acoth Pow x0 atan x5 acoth Pow x0 atan x5 -1 