Y add 0.966 mul div div x_0 x_4 div tan add -39.7 mul -0.9380000000000001 x_1 mul cos add mul 7.08 x_2 mul 7.92 x_3 inv add 0.838 mul 78.10000000000001 mul inv add 26.400000000000002 mul -4.75 x_3 x_2 x_1