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