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