Y add mul c mul x1 mul tan c tan add mul c x1 add mul c x2 mul x1 tan add x1 mul x1 x2 mul pow x1 c mul add c pow tan add mul c x1 add mul c x2 mul x1 tan add x1 mul x1 x2 c mul add c add mul x1 mul add c x2 add c pow tan add x1 mul x1 x2 c tan add x1 mul x1 x2 tan c