Conway's Nonperpendiculars as a Tool: The Case of the Law of Cosines.
| Autor: | Neubrand, Michael1 michael.neubrand@uni-oldenburg.de |
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| Zdroj: | Mathematical Intelligencer. Mar2016, Vol. 38 Issue 1, p1-3. 3p. |
| Databáze: | Academic Search Ultimate |
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