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