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