Mul x0 asec sec coth x0 
Add asec sec coth x0 Mul x0 Mul Mul Mul tan coth x0 sec coth x0 Mul -1 Pow csch x0 2 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul sec coth x0 sec coth x0 -1 sec coth x0 sec coth x0 -1 