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