Trigonometry: Pythagorean Identity - Expii
expii.com
Trigonometry: Pythagorean Identity - Expii
The Pythagorean identity says that sin²(x) cos²(x) = 1 no matter what x you plug in. (It's a consequence of the Pythagorean theorem.) There are other variants too, like tan²(x) 1 = sec²(x) when you divide both sides by cos²(x).
Mar 7, 2019
Pythagorean Theorem Proof
How to Prove the Pythagorean Theorem
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31K views · 880 reactions | "Impossible" Proof of the Pythagorean theorem Discovered by 2 High School Students from New Orleans #rolandoasisten #pythagoreantheorem | Asisten and German Academy | Facebook
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31K views · 880 reactions | "Impossible" Proof of the Pythagorean theorem Discovered by 2 High School Students from New Orleans #rolandoasisten #pythagoreantheorem | Asisten and German Academy | Facebook
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