acoth Mul pi Add -0.000320000000000000 Mul -0.0947125472611012 x0 
Mul Mul pi -0.0947125472611012 Pow Add 1 Mul -1 Mul Mul pi Add -0.000320000000000000 Mul -0.0947125472611012 x0 Mul pi Add -0.000320000000000000 Mul -0.0947125472611012 x0 -1 