User blog comment:Hyp cos/Advanced approximation project/@comment-32697988-20170914151903/@comment-11227630-20170914154953

It seems good if the expressions are short. But if we meet this, the table will be very wide - much wider than the screen. Also, when an "approximation" is equal to the original number, we need \(=some expression\), but in your case it has no position.