Y add mul div c c mul x1 mul pow x2 c mul cos mul c x1 tan add c add x2 add x1 add x1 mul x1 pow x2 c mul div c c mul x1 mul pow x2 c mul add c pow tan add c add x2 add x1 add x1 mul x1 pow x2 c c mul add c mul c mul x2 x1 cos mul c x1