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