Pow coth x0 Add Mul 0.693147180559945 x0 x6 
Mul Pow coth x0 Add Add Mul 0.693147180559945 x0 x6 -1 Add Mul Add Mul 0.693147180559945 x0 x6 Mul -1 Pow csch x0 2 Mul Mul coth x0 log coth x0 0.693147180559945 