3 ms·

I don't get how this is "new" or "novel" ? it seems to me the law of cosine (or al kashi's theorem) we study this in high school in France ... https://en.wikip

I don't get how this is "new" or "novel" ? it seems to me the law of cosine (or al kashi's theorem) we study this in high school in France ... https://en.wikipedia.org/wiki/Law_of_cosines https://en.wikipedia.org/wiki/Law_of_cosines

deleted 3y ago
[deleted]
maxboone 3y ago
The concept isn't new or novel, the proof is (or might be).
User23 3y ago
Dijkstra did something similar when he derived a generalization of the theorem[1]. [1] https://www.cs.utexas.edu/~EWD/transcriptions/EWD09xx/EWD975.html https://www.cs.utexas.edu/~EWD/transcriptions/EWD09xx/EWD975...
lern_too_spel 3y ago
It's the Pythagorean theorem, a special case of the law of cosines. What's new is the proof method.