Mul acoth acoth Pow 0.785398163397448 Mul x0 0.850918128239322 -2 
Mul -2 Mul Mul Mul Pow 0.785398163397448 Add Mul x0 0.850918128239322 -1 1.39475181636628 Pow Add 1 Mul -1 Mul Pow 0.785398163397448 Mul x0 0.850918128239322 Pow 0.785398163397448 Mul x0 0.850918128239322 -1 Pow Add 1 Mul -1 Mul acoth Pow 0.785398163397448 Mul x0 0.850918128239322 acoth Pow 0.785398163397448 Mul x0 0.850918128239322 -1 