Y mul div c c mul pow x2 div c c mul pow add sqrt x1 mul sqrt x2 add c x2 c add mul x2 mul pow add sqrt x1 mul sqrt x2 add c x2 c add mul c x4 sin mul x1 pow add sqrt x1 mul sqrt x2 add c x2 c mul x1 mul pow x2 div c c mul add c mul c x2 cos mul x1 pow add sqrt x1 mul sqrt x2 add c x2 c