Y mul c mul pow x1 c mul pow x5 c mul pow add x1 mul c mul add c add x5 x5 cos x5 c mul add mul c mul add c add x5 x5 sin x5 cos x5 cos mul c mul pow x5 c add c add x1 mul pow x1 c pow add x1 mul c mul add c add x5 x5 cos x5 c