csch log Mul Add x2 2.18503986326152 x0 
Mul Mul Mul -1 coth log Mul Add x2 2.18503986326152 x0 csch log Mul Add x2 2.18503986326152 x0 Mul Add x2 2.18503986326152 Pow Mul Add x2 2.18503986326152 x0 -1 