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      <title>Cours 2I 2019 by Mme GALIA</title>
      <link>https://padlet.com/sgalia/2I2019</link>
      <description>Tout ce que je dois savoir</description>
      <language>en-us</language>
      <pubDate>2019-03-16 06:41:49 UTC</pubDate>
      <lastBuildDate>2024-12-20 06:55:44 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>Définition</title>
         <author>sgalia</author>
         <link>https://padlet.com/sgalia/2I2019/wish/346071232</link>
         <description><![CDATA[<div>Un cercle trigonométrique est un cercle de rayon 1</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-28 11:28:52 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/346071232</guid>
      </item>
      <item>
         <title>On l&#39;appelle également cercle unitaire</title>
         <author>sgalia</author>
         <link>https://padlet.com/sgalia/2I2019/wish/346434495</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2019-03-29 07:29:28 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/346434495</guid>
      </item>
      <item>
         <title>Sens trigonométrique:</title>
         <author>sgalia</author>
         <link>https://padlet.com/sgalia/2I2019/wish/346434598</link>
         <description><![CDATA[<div>Sens inverse des aiguilles d'une montre.</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-29 07:29:51 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/346434598</guid>
      </item>
      <item>
         <title>Chaque point du cercle a pour abscisse Cosinus de l&#39;angle et pour ordonnée sinus de l&#39;angle.</title>
         <author>sgalia</author>
         <link>https://padlet.com/sgalia/2I2019/wish/346434787</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2019-03-29 07:30:53 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/346434787</guid>
      </item>
      <item>
         <title>le périmètre du cercle unitaire est 2 pi</title>
         <author>sgalia</author>
         <link>https://padlet.com/sgalia/2I2019/wish/346435061</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2019-03-29 07:32:09 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/346435061</guid>
      </item>
      <item>
         <title>L&#39;angle 360° correspond à 2 pi radian</title>
         <author>sgalia</author>
         <link>https://padlet.com/sgalia/2I2019/wish/346435333</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2019-03-29 07:33:05 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/346435333</guid>
      </item>
      <item>
         <title>Conversion de deg à radian:</title>
         <author>sgalia</author>
         <link>https://padlet.com/sgalia/2I2019/wish/346435542</link>
         <description><![CDATA[<div>on multiplie l'angle en degré par pi/180</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-29 07:34:04 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/346435542</guid>
      </item>
      <item>
         <title>Conversion du radian en degré:</title>
         <author>sgalia</author>
         <link>https://padlet.com/sgalia/2I2019/wish/346435696</link>
         <description><![CDATA[<div>on multiplie l'angle en radian par 180/</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-29 07:34:52 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/346435696</guid>
      </item>
      <item>
         <title>Tangente alpha = Sinus alpha / cosinus alpha</title>
         <author>sgalia</author>
         <link>https://padlet.com/sgalia/2I2019/wish/346435990</link>
         <description><![CDATA[<div>Cela correspond à la pente de la droite qui passe par le centre du cercle et par le point qui est sur le cercle</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-29 07:36:10 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/346435990</guid>
      </item>
      <item>
         <title>Prérequis pour la leçon -</title>
         <author>paulberthier13</author>
         <link>https://padlet.com/sgalia/2I2019/wish/346437400</link>
         <description><![CDATA[<div>Propriétés du triangle rectangle : - Le théorème de Pythagore<br>- SOHCAHTOA<br>- </div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-29 07:42:52 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/346437400</guid>
      </item>
      <item>
         <title>Cosinus et sinus</title>
         <author>alena_chernikov</author>
         <link>https://padlet.com/sgalia/2I2019/wish/346648315</link>
         <description><![CDATA[<div>Pour tous les angles, les valeurs du cosinus et sinus  sont toujours plus grandes ou égales à -1, et plus petites ou égales à 1. </div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-29 17:32:42 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/346648315</guid>
      </item>
      <item>
         <title></title>
         <author>alena_chernikov</author>
         <link>https://padlet.com/sgalia/2I2019/wish/346651250</link>
         <description><![CDATA[<div>180° --&gt; π<br>90° --&gt; π/2<br>270° --&gt; 3π/2<br>45° --&gt; π/4<br>60° --&gt; π/3<br>30° --&gt; π/6</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-29 17:39:36 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/346651250</guid>
      </item>
      <item>
         <title>ATTENTION</title>
         <author>sophia_abgarian</author>
         <link>https://padlet.com/sgalia/2I2019/wish/346751149</link>
         <description><![CDATA[<div>Quand on calcule des sinus/cosinus/tangentes à la calculatrice, le mode doit être en <strong>DEGRES</strong></div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-30 08:16:51 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/346751149</guid>
      </item>
      <item>
         <title>Déterminer le signe des cos/sin/tan</title>
         <author>sophia_abgarian</author>
         <link>https://padlet.com/sgalia/2I2019/wish/346751253</link>
         <description><![CDATA[<div>On peut séparer le cercle trigonométrique en <mark>4 quadrants</mark>: 1,2,3,4 <br><br>En fonction du quadrant sur lequel l'angle θ se trouve, on peut déterminer:<br>- <strong>le signe de son cosinus</strong><br>&gt; (le signe de x)<br>- <strong>le signe de son sinus</strong> <br>&gt; (le signe de y)<br>- <strong>le signe de la tangente </strong><br>&gt; (le signe du quotient y/x)</div>]]></description>
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         <pubDate>2019-03-30 08:19:05 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/346751253</guid>
      </item>
      <item>
         <title>Convertir de degré en radian :</title>
         <author></author>
         <link>https://padlet.com/sgalia/2I2019/wish/347033995</link>
         <description><![CDATA[<div>x*π/180<br>Convertir de radian en degré : <br>x*180/π<br><br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-01 06:25:06 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347033995</guid>
      </item>
      <item>
         <title>Dans un triangle rectangle</title>
         <author>kim_feige</author>
         <link>https://padlet.com/sgalia/2I2019/wish/347035747</link>
         <description><![CDATA[<div>--&gt; le cosinus d'un angle est égal au sinus de l'autre angle<br><br>--&gt; la tangente d'un angle est égale à  l'inverse de la tangente de l'autre angle</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-01 06:34:40 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347035747</guid>
      </item>
      <item>
         <title></title>
         <author>kim_feige</author>
         <link>https://padlet.com/sgalia/2I2019/wish/347183518</link>
         <description><![CDATA[<div>la tangente est la pente du segment entre le centre du cercle et l'angle </div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-01 14:09:42 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347183518</guid>
      </item>
      <item>
         <title>les quadrants</title>
         <author>kim_feige</author>
         <link>https://padlet.com/sgalia/2I2019/wish/347184596</link>
         <description><![CDATA[<div>pour savoir dans quel quadrant un angle en radian "difficile" se trouve il faut mettre au multiple le plus proche </div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-01 14:11:32 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347184596</guid>
      </item>
      <item>
         <title>signe de la tangeante des angles dans chaque quadrant</title>
         <author>declerckbruno</author>
         <link>https://padlet.com/sgalia/2I2019/wish/347240947</link>
         <description><![CDATA[<div>Quadran 1: Positif<br>Quadran 2: Négatif<br>Quadran 3: Positif<br>Quadran 4: Négati</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-01 15:39:49 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347240947</guid>
      </item>
      <item>
         <title>Pour calculer la tangente, il faut faire le calcul suivant:</title>
         <author>ArthurBGle</author>
         <link>https://padlet.com/sgalia/2I2019/wish/347307697</link>
         <description><![CDATA[<div>tan(<strong>θ</strong>) = sin(<strong>θ</strong>)/cos(<strong>θ</strong>)</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-01 17:32:26 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347307697</guid>
      </item>
      <item>
         <title>Si le sinus ou le cosinus d&#39;un angle est négatif, alors la tangente est négative. Si le sinus et le cosinus sont positifs, alors la tangente est positive.</title>
         <author>ArthurBGle</author>
         <link>https://padlet.com/sgalia/2I2019/wish/347313573</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2019-04-01 17:42:12 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347313573</guid>
      </item>
      <item>
         <title></title>
         <author>mlgproeverything</author>
         <link>https://padlet.com/sgalia/2I2019/wish/347385651</link>
         <description><![CDATA[<div>lorsqu'on fait des calculs avec des radians on DOIT rester en radian et pas convertir en degrés</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-01 20:25:06 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347385651</guid>
      </item>
      <item>
         <title>tan(180° - ϴ) = -tan(ϴ</title>
         <author>theojacquin2002</author>
         <link>https://padlet.com/sgalia/2I2019/wish/347508332</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2019-04-02 08:05:37 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347508332</guid>
      </item>
      <item>
         <title></title>
         <author>mlgproeverything</author>
         <link>https://padlet.com/sgalia/2I2019/wish/347996469</link>
         <description><![CDATA[]]></description>
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         <pubDate>2019-04-03 10:33:14 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347996469</guid>
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      <item>
         <title></title>
         <author></author>
         <link>https://padlet.com/sgalia/2I2019/wish/347996550</link>
         <description><![CDATA[]]></description>
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         <pubDate>2019-04-03 10:33:41 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347996550</guid>
      </item>
      <item>
         <title>bruno carte mentale (like and comment)</title>
         <author>declerckbruno</author>
         <link>https://padlet.com/sgalia/2I2019/wish/347996612</link>
         <description><![CDATA[]]></description>
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         <pubDate>2019-04-03 10:34:04 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347996612</guid>
      </item>
      <item>
         <title></title>
         <author>theojacquin2002</author>
         <link>https://padlet.com/sgalia/2I2019/wish/347996803</link>
         <description><![CDATA[<div>SkuSkuSku</div>]]></description>
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         <pubDate>2019-04-03 10:35:09 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347996803</guid>
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         <title></title>
         <author>noahlwong</author>
         <link>https://padlet.com/sgalia/2I2019/wish/347996856</link>
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         <pubDate>2019-04-03 10:35:26 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347996856</guid>
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         <title></title>
         <author>pst2107</author>
         <link>https://padlet.com/sgalia/2I2019/wish/347996896</link>
         <description><![CDATA[]]></description>
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         <pubDate>2019-04-03 10:35:37 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347996896</guid>
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         <title></title>
         <author>adrien1748</author>
         <link>https://padlet.com/sgalia/2I2019/wish/347996945</link>
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         <pubDate>2019-04-03 10:35:57 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347996945</guid>
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      <item>
         <title></title>
         <author>ArthurBGle</author>
         <link>https://padlet.com/sgalia/2I2019/wish/347997405</link>
         <description><![CDATA[]]></description>
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         <pubDate>2019-04-03 10:38:04 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347997405</guid>
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         <title></title>
         <author>alena_chernikov</author>
         <link>https://padlet.com/sgalia/2I2019/wish/347997777</link>
         <description><![CDATA[]]></description>
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         <pubDate>2019-04-03 10:39:47 UTC</pubDate>
         <guid>https://padlet.com/sgalia/2I2019/wish/347997777</guid>
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      <item>
         <title></title>
         <author>sgalia</author>
         <link>https://padlet.com/sgalia/2I2019/wish/348570941</link>
         <description><![CDATA[]]></description>
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         <pubDate>2019-04-04 15:12:57 UTC</pubDate>
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