Y add mul x3 mul pow x1 c mul pow add c add x3 cos x2 c add mul div c c mul pow x1 div c c pow add c x2 c mul c mul x3 pow x2 c mul c mul x1 mul x3 mul pow add c add x3 cos x2 c add x2 add mul sqrt x1 pow add c x2 c mul c mul x1 mul x3 pow x2 c