Y add -52.900000000000006 div x_0 mul pow2 add 0.973 mul -2.52 x_1 mul abs add 0.99 mul 86.30000000000001 x_0 mul sub mul 0.253 x_3 sub mul -7.91 x_2 mul -0.782 x_2 mul cos add -7.58 mul 0.201 x_3 inv add 1.62 mul -2.9000000000000004 x_1