coth Mul x0 Add x1 Add acot acot x4 Add sech x1 Mul x0 0.569183980559721 
Mul Mul -1 Pow csch Mul x0 Add x1 Add acot acot x4 Add sech x1 Mul x0 0.569183980559721 2 Add Add x1 Add acot acot x4 Add sech x1 Mul x0 0.569183980559721 Mul x0 0.569183980559721 