Mul x0 acoth coth Mul Add asech pi atan x6 x0 
Add acoth coth Mul Add asech pi atan x6 x0 Mul x0 Mul Mul Mul -1 Pow csch Mul Add asech pi atan x6 x0 2 Add asech pi atan x6 Pow Add 1 Mul -1 Mul coth Mul Add asech pi atan x6 x0 coth Mul Add asech pi atan x6 x0 -1 