Y mul pow x1 c mul pow add mul c x3 mul x1 add x4 x1 c mul add c pow tan mul pow add mul c x3 mul x1 add x4 x1 c add mul sqrt mul x4 pow x1 c add mul c x3 mul x1 add x4 x1 mul c mul pow x1 c add c cos x1 c add c cos x1