Y mul add x3 mul div c c mul x2 mul pow x1 c pow add x2 x1 c mul add mul div c c mul pow x1 c pow add x2 x1 c mul div c c mul x2 mul pow x1 c pow add x2 x1 c cos add x3 pow add x3 mul div c c mul x2 mul pow x1 c pow add x2 x1 c c