estia-1a/ÉquationsPhysique/Index.md
2026-03-25 08:47:45 +01:00

407 B

S(f)(x)=\frac{a_0}{2}+\sum{a_n\cos{(n\omega x)}}+\sum{b_n\sin{(n\omega x)}}\cases{a_n=2<f, \cos{(n\omega x)}>=\boxed{\frac{2}{T}\int_{x_0}^{x_0+T}f(x)\cos{(n\omega x)}dx} \\ b_n=2<f, \sin{(n\omega x)}>=\boxed{\frac{2}{T}\int_{x_0}^{x_0+T}f(x)\sin{(n\omega x)}dx}}

$\frac{a_0}{2} \rightarrow$Valeur moyenne de f: \frac{1}{T}\int_{x_0}^{x_0+T}f(x)dx

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