acoth Add x0 Pow Mul x0 x0 0.523598775598299 
Mul Add 1 Mul Pow Mul x0 x0 -0.476401224401701 Mul 0.523598775598299 Add x0 x0 Pow Add 1 Mul -1 Mul Add x0 Pow Mul x0 x0 0.523598775598299 Add x0 Pow Mul x0 x0 0.523598775598299 -1 