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