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