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