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Proof without words
Published:
2004-06-01
https://doi.org/10.5485/TMCS.2004.0054
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Copyright (c) 2004 Ángel Plaza
This work is licensed under a Creative Commons Attribution 4.0 International License.
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Plaza, Ángel. (2004). Proof without words. Teaching Mathematics and Computer Science, 2(1), 207. https://doi.org/10.5485/TMCS.2004.0054
Abstract
| cos α + sin α | ≤ √2 with equality…