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en:proof-of-the-law-of-cosines [2017/04/12 13:20] federico [Proof] |
en:proof-of-the-law-of-cosines [2017/07/14 10:34] federico |
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| ===== Proof ===== | ===== Proof ===== | ||
| - | If divide the triangle into 2 right angle triangles: | + | Divide the triangle into 2 right angle triangles: |
| {{:en:law-of-cosines2-fs8.png?nolink|}} | {{:en:law-of-cosines2-fs8.png?nolink|}} | ||