tag:blogger.com,1999:blog-31426916.post6301898636686786225..comments2024-03-28T14:58:37.995+01:00Comments on Gli studenti di oggi: Dimostrazione senza parole: somme di arcotangentizarhttp://www.blogger.com/profile/05055303656305567517noreply@blogger.comBlogger8125tag:blogger.com,1999:blog-31426916.post-25291855553246713612011-09-05T16:32:13.456+02:002011-09-05T16:32:13.456+02:00e ovvio che 4arctg(1)=180 perche arctg(1)=180/4=45...e ovvio che 4arctg(1)=180 perche arctg(1)=180/4=45 :)<br />e come 3arctg(3^1/2), invece quella roba e interessantelaurentiuhttps://www.blogger.com/profile/10519041740152730746noreply@blogger.comtag:blogger.com,1999:blog-31426916.post-553118563740994472011-05-19T22:43:11.296+02:002011-05-19T22:43:11.296+02:00Eh, che belli i calcoli coi complessi.Eh, che belli i calcoli coi complessi.zarhttps://www.blogger.com/profile/05055303656305567517noreply@blogger.comtag:blogger.com,1999:blog-31426916.post-40636769532500300032011-05-19T22:24:43.465+02:002011-05-19T22:24:43.465+02:00Dimostrazione complessa:
(1+i)(1+2i)(1+3i)=-10
da ...Dimostrazione complessa:<br />(1+i)(1+2i)(1+3i)=-10<br />da cui<br />arg(1+i)+arg(1+2i)+arg(1+3i)=arg(-10)<br /><br />atan1+atan2+atan3=piprof. Apotemahttps://www.blogger.com/profile/09629423336736160441noreply@blogger.comtag:blogger.com,1999:blog-31426916.post-48612191249786261012011-04-19T17:07:56.044+02:002011-04-19T17:07:56.044+02:00duedueJuhanhttps://www.blogger.com/profile/07466683261343797955noreply@blogger.comtag:blogger.com,1999:blog-31426916.post-86773378329440928632011-04-19T16:17:24.369+02:002011-04-19T16:17:24.369+02:00correggo 3 quadretticorreggo 3 quadrettiJuhanhttps://www.blogger.com/profile/07466683261343797955noreply@blogger.comtag:blogger.com,1999:blog-31426916.post-67064198755283602202011-04-19T16:16:11.173+02:002011-04-19T16:16:11.173+02:00bellissimissimo; io sapevo π = 4 * arctan(1) che s...bellissimissimo; io sapevo π = 4 * arctan(1) che si può rappresentare utilizzando solo quattro quadretti.Juhanhttps://www.blogger.com/profile/07466683261343797955noreply@blogger.comtag:blogger.com,1999:blog-31426916.post-49778645329716707152011-04-19T09:17:20.764+02:002011-04-19T09:17:20.764+02:00Bello, eh?Bello, eh?zarhttps://www.blogger.com/profile/05055303656305567517noreply@blogger.comtag:blogger.com,1999:blog-31426916.post-14587018012363597392011-04-19T08:21:54.288+02:002011-04-19T08:21:54.288+02:00E' quasi arte...E' quasi arte...Popinoreply@blogger.com