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	<title>Menéame: comentarios [3147959]</title>
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	<pubDate>Thu, 27 Jun 2019 04:07:18 +0000</pubDate>
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		<meneame:comment_id>27288205</meneame:comment_id>
		<meneame:link_id>3147959</meneame:link_id>
		<meneame:order>5</meneame:order>
		<meneame:user>chiquiflautro</meneame:user>
		<meneame:votes>1</meneame:votes>
		<meneame:karma>21</meneame:karma>
		<meneame:url>https://www.meneame.net/story/calculando-valor-pi-poligonos-eng</meneame:url>
		<title>#5 Calculando el valor de Pi con polígonos [ENG]</title>
		<link>https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c05#c-5</link>
		<pubDate>Thu, 27 Jun 2019 04:07:18 +0000</pubDate>
		<dc:creator>chiquiflautro</dc:creator>
		<guid>https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c05#c-5</guid>
		<description><![CDATA[<p><a class="tooltip c:3147959-4" href="https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c04#c-4" rel="nofollow">#4</a> mea culpa, había visto ese vídeo justo cuando se subió en Youtube tres que sigo al canal y llegué a la conclusión que comenté (antes de que pusieran ningún comentario). Pero acabo de darme cuenta de que mi propio comentario es la prueba de que la aproximación es cierta {Palm}. Y luego, como dice el comentario que cita <a class="tooltip c:3147959-3" href="https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c03#c-3" rel="nofollow">#3</a> , se podría calcular Pi a partir del valor de un seno conocido.</p><p>&#187;&nbsp;autor: <strong>chiquiflautro</strong></p>]]></description>
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		<meneame:comment_id>27288155</meneame:comment_id>
		<meneame:link_id>3147959</meneame:link_id>
		<meneame:order>4</meneame:order>
		<meneame:user>ccguy</meneame:user>
		<meneame:votes>1</meneame:votes>
		<meneame:karma>32</meneame:karma>
		<meneame:url>https://www.meneame.net/story/calculando-valor-pi-poligonos-eng</meneame:url>
		<title>#4 Calculando el valor de Pi con polígonos [ENG]</title>
		<link>https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c04#c-4</link>
		<pubDate>Thu, 27 Jun 2019 01:17:36 +0000</pubDate>
		<dc:creator>ccguy</dc:creator>
		<guid>https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c04#c-4</guid>
		<description><![CDATA[<p><a class="tooltip c:3147959-3" href="https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c03#c-3" rel="nofollow">#3</a> pues <a class="tooltip c:3147959-2" href="https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c02#c-2" rel="nofollow">#2</a> no ha tenido ningún problema en votar errónea, ya ves.</p><p>&#187;&nbsp;autor: <strong>ccguy</strong></p>]]></description>
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		<meneame:comment_id>27287810</meneame:comment_id>
		<meneame:link_id>3147959</meneame:link_id>
		<meneame:order>3</meneame:order>
		<meneame:user>baraja</meneame:user>
		<meneame:votes>1</meneame:votes>
		<meneame:karma>32</meneame:karma>
		<meneame:url>https://www.meneame.net/story/calculando-valor-pi-poligonos-eng</meneame:url>
		<title>#3 Calculando el valor de Pi con polígonos [ENG]</title>
		<link>https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c03#c-3</link>
		<pubDate>Wed, 26 Jun 2019 21:58:01 +0000</pubDate>
		<dc:creator>baraja</dc:creator>
		<guid>https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c03#c-3</guid>
		<description><![CDATA[<p><a class="tooltip c:3147959-1" href="https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c01#c-1" rel="nofollow">#1</a> <a class="tooltip c:3147959-2" href="https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c02#c-2" rel="nofollow">#2</a> Hay que leerse los comentarios de youtube, que eso ya está pensado:<br />
<br />
&#34; you can calculate sin(360°/2^n) recursively using the formula sin2x=2sin(x)cos(x)=2sin(x) sqrt(1-sin(x)) which you can solve for sin(x). So if you know sine for one angle, you know the sine for half that angle. Therefore you can calculate sin(x/2^n). So you can take a limit of a subsequence of areas of 2^n-gons.&#34;<br />
<br />
El cálculo de π siempre es alcanzable mediante series o límites, que es como se calcula hasta el n-ésimo dígito mediante ordenadores.</p><p>&#187;&nbsp;autor: <strong>baraja</strong></p>]]></description>
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		<meneame:comment_id>27287725</meneame:comment_id>
		<meneame:link_id>3147959</meneame:link_id>
		<meneame:order>2</meneame:order>
		<meneame:user>chiquiflautro</meneame:user>
		<meneame:votes>0</meneame:votes>
		<meneame:karma>9</meneame:karma>
		<meneame:url>https://www.meneame.net/story/calculando-valor-pi-poligonos-eng</meneame:url>
		<title>#2 Calculando el valor de Pi con polígonos [ENG]</title>
		<link>https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c02#c-2</link>
		<pubDate>Wed, 26 Jun 2019 21:41:32 +0000</pubDate>
		<dc:creator>chiquiflautro</dc:creator>
		<guid>https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c02#c-2</guid>
		<description><![CDATA[<p><a class="tooltip c:3147959-1" href="https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c01#c-1" rel="nofollow">#1</a> exacto, en el límite el sin(2pi/n) cuando n tiende a infinito es 2pi/n, así que lo único que dice es que pi=pi <img data-src="https://cdn.mnmstatic.net/v_149/img/menemojis/36/palm.png" alt=":palm:" title=":palm:" width="18" height="18" src="https://cdn.mnmstatic.net/v_149/img/g.gif" class="emoji lazy" /> <br />
Ese canal tiene alguna demostración chula, pero esta no demuestra nada</p><p>&#187;&nbsp;autor: <strong>chiquiflautro</strong></p>]]></description>
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		<meneame:comment_id>27287259</meneame:comment_id>
		<meneame:link_id>3147959</meneame:link_id>
		<meneame:order>1</meneame:order>
		<meneame:user>--88270--</meneame:user>
		<meneame:votes>1</meneame:votes>
		<meneame:karma>14</meneame:karma>
		<meneame:url>https://www.meneame.net/story/calculando-valor-pi-poligonos-eng</meneame:url>
		<title>#1 Calculando el valor de Pi con polígonos [ENG]</title>
		<link>https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c01#c-1</link>
		<pubDate>Wed, 26 Jun 2019 20:07:11 +0000</pubDate>
		<dc:creator>--88270--</dc:creator>
		<guid>https://www.meneame.net/story/calculando-valor-pi-poligonos-eng/c01#c-1</guid>
		<description><![CDATA[<p>Según ese método hay que conocer las fórmulas trigonométricas y los valores de senos y cosenos se basan en conocer el valor de pi. <img data-src="https://cdn.mnmstatic.net/v_149/img/menemojis/36/shit.png" alt=":shit:" title=":shit:" width="18" height="18" src="https://cdn.mnmstatic.net/v_149/img/g.gif" class="emoji lazy" /> <br />
El método es bastante inútil.</p><p>&#187;&nbsp;autor: <strong>--88270--</strong></p>]]></description>
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