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