Y mul c mul pow x1 c mul pow add mul x1 pow add x1 x2 c mul x1 x2 c mul add mul c pow add x1 x2 c mul x1 pow add x1 x2 c sin add mul c x1 add mul c x2 mul c mul pow x1 c pow add mul x1 pow add x1 x2 c mul x1 x2 c