Mul Pow sqrt Pow Add sec x1 1 x2 coth Pow x0 -2 x2 
Mul x2 Mul Pow sqrt Pow Add sec x1 1 x2 Add coth Pow x0 -2 -1 Mul Mul sqrt Pow Add sec x1 1 x2 log sqrt Pow Add sec x1 1 x2 Mul Mul -1 Pow csch Pow x0 -2 2 Mul Pow x0 3 -2 