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