Mathc initiation/Fichiers c : c77ck2
Application de cos(x)**3
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Etudier: | cos(x)**3 dx =
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| cos(x)**3 = 3/4 cos(x) + 1/4 cos(3x) |
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donc | cos(x)**3 dx = | 3/4 cos(x) + 1/4 cos(3x) dx
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= 3/4 | cos(x) dx + 1/4 | cos(3x) dx
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