Mul Mul x0 4 Pow 4 Pow 0.0366435703258656 sec Add acot x0 9 
Add Mul Pow 4 Pow 0.0366435703258656 sec Add acot x0 9 4 Mul Mul x0 4 Mul Pow 4 Add Pow 0.0366435703258656 sec Add acot x0 9 -1 Mul 5.38629436111989 Mul Pow 0.0366435703258656 Add sec Add acot x0 9 -1 Mul -3.26987373020611 Mul Mul tan Add acot x0 9 sec Add acot x0 9 Mul -1 Pow Add 1 Mul x0 x0 -1 