Other trigonometric proofs of Pythagoras theorem
General Mathematics
2015-02-25 v1
Abstract
Only very recently a trigonometric proof of the Pythagoras theorem was given by Zimba \cite{1}, many authors thought this was not possible. In this note we give other trigonometric proofs of Pythagoras theorem by establishing, geometrically, the half-angle formula .
Cite
@article{arxiv.1502.06628,
title = {Other trigonometric proofs of Pythagoras theorem},
author = {Nuno Luzia},
journal= {arXiv preprint arXiv:1502.06628},
year = {2015}
}