Add Pow 3 Mul Add Mul pi x0 x0 x5 Mul sec asec Pow pi x1 asin x0 
Add Mul Pow 3 Add Mul Add Mul pi x0 x0 x5 -1 Mul 4.09861228866811 Mul x5 Add pi 1 Mul sec asec Pow pi x1 Pow sqrt Add 1 Mul -1 Mul x0 x0 -1 