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<h4><span style="color: #ff6600;"><strong><em>1) S’approprier:</em></strong></span></h4>
<h4><span style="color: #ff6600;"><strong><em>rappel " Une grandeur sinusoïdale a pour expression générale : \(f(t) = a \sin (ω t + φ)\)"<br></em></strong></span></h4>
<p>On vous propose la representation graphique de la tension définie par l'expression suivante :</p>
<p>\(u(t) =a\sin(\omega t + \varphi)\) <br></p>
<p><br></p>
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<p></p>
<p>Modifier les curseurs et noter leur influence sur la courbe.</p>
<p>a) influence de a :{_0:At:MCE}</p>
<p>b) influence de \(\omega\) :{_1:megat:MCE}</p>
<p>c) influence de \(\varphi\) :{_2:phit:MCE}</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>