Pow pi acoth Add -1 exp atan Pow x0 acot coth tanh x1 
Mul Pow pi Add acoth Add -1 exp atan Pow x0 acot coth tanh x1 -1 Mul Mul pi log pi Mul Mul exp atan Pow x0 acot coth tanh x1 Mul Mul Pow x0 Add acot coth tanh x1 -1 acot coth tanh x1 Pow Add 1 Mul Pow x0 acot coth tanh x1 Pow x0 acot coth tanh x1 -1 Pow Add 1 Mul -1 Mul Add -1 exp atan Pow x0 acot coth tanh x1 Add -1 exp atan Pow x0 acot coth tanh x1 -1 