Y mul pow add c x3 c mul pow add x1 x3 div c c mul pow add x3 mul c sqrt add x1 x3 c add mul div c c mul x3 sin sin mul x1 sqrt x3 mul pow x3 div c c mul sqrt add x1 x3 mul add x3 mul c sqrt add x1 x3 mul cos mul x1 sqrt x3 cos sin mul x1 sqrt x3