Mul Add acot Mul csch x3 3 Pow Pow acos x0 0.995054753686730 -1.31303528549933 3 
Mul 3 Mul Pow Pow acos x0 0.995054753686730 -2.31303528549933 Mul -1.31303528549933 Mul Pow acos x0 -0.00494524631326954 Mul 0.995054753686730 Mul -1 Pow sqrt Add 1 Mul -1 Mul x0 x0 -1 