acoth Add x3 Pow 4 Mul Mul x3 -1 Mul -2 Mul 0.999987711650796 Add Add pi -2 x0 
Mul Mul Pow 4 Add Mul Mul x3 -1 Mul -2 Mul 0.999987711650796 Add Add pi -2 x0 -1 Mul 5.38629436111989 Mul Mul x3 -1 -1.00001228834920 Pow Add 1 Mul -1 Mul Add x3 Pow 4 Mul Mul x3 -1 Mul -2 Mul 0.999987711650796 Add Add pi -2 x0 Add x3 Pow 4 Mul Mul x3 -1 Mul -2 Mul 0.999987711650796 Add Add pi -2 x0 -1 