Y add 0.643 div x_1 sub add mul 0.09 x_0 add mul -84.10000000000001 x_3 mul 24.8 div pow2 add mul -0.684 x_2 mul -1.9000000000000001 cos add 0.26 mul 5.08 x_0 x_3 mul -8.23 div pow2 add 6.01 mul -9.32 x_0 pow3 add -0.75 mul 14.8 x_2