Y add mul c x1 add mul c mul pow add c x1 c cos mul x1 sqrt add mul x2 add c mul c x1 cos add c x2 mul div c c mul x2 mul x1 mul pow add c x1 c mul pow add mul x2 add c mul c x1 cos add c x2 div c c sin mul x1 sqrt add mul x2 add c mul c x1 cos add c x2