Y add mul c mul pow add x5 mul pow x1 c add mul c tan c mul c cos x1 c pow tan add pow x5 c mul c x2 c mul c mul x5 mul pow add x5 mul pow x1 c add mul c tan c mul c cos x1 c mul pow tan add pow x5 c mul c x2 c add c pow tan add pow x5 c mul c x2 c