Pow acoth Add x3 -0.393679392799240 Mul x2 Add x0 x0 
Mul Pow acoth Add x3 -0.393679392799240 Add Mul x2 Add x0 x0 -1 Mul Mul acoth Add x3 -0.393679392799240 log acoth Add x3 -0.393679392799240 Mul x2 2 