Y mul pow cos c c mul pow cos c c add pow add x3 mul x2 mul add x2 x3 add x2 mul sqrt c sqrt pow x3 c c mul pow add x3 mul x2 mul add x2 x3 add x2 mul sqrt c sqrt pow x3 c c mul add x2 x3 add mul c mul x2 add x2 x3 add mul c mul x2 add x2 mul sqrt c sqrt pow x3 c mul c mul add x2 x3 add x2 mul sqrt c sqrt pow x3 c