Y add 8.42 add mul -23.200000000000003 inv add -0.742 mul -3.2600000000000002 x_4 mul 0.519 mul cos sub mul 0.105 x_2 mul 0.5630000000000001 tan add 0.356 mul 2.32 x_0 sub add mul 9.72 x_3 sub mul 21.8 exp add 86.4 mul 0.341 x_4 mul -76.2 x_4 mul -8.31 x_1