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