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Test-Lidia
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<table style="background-color: #ffffcc; border-color: #003300; border-width: 4px; width: 493px; height: 168px; border-style: solid;" border="4" align="center"> <tbody> <tr> <td style="text-align: center; background-color: #003300;" colspan="3" align="center" valign="middle"><span style="font-size: large; color: #ffff99;">Reducció al 1r quadrant</span></td> </tr> <tr> <td> <p style="text-align: center;"><span style="color: #003300; font-size: small;"><strong><span style="color: #003300;">sin (180º-a) = sin a </span></strong></span></p> <p style="text-align: center;"><span style="color: #003300; font-size: small;"><strong><span style="color: #003300;">cos(180º - a) = - cos a</span></strong></span></p> <p style="text-align: center;"><span style="color: #003300; font-size: small;"><strong><span style="color: #003300;">tg (180º - a) = - tg a</span></strong></span></p> </td> <td> <p style="text-align: center;"><span style="color: #003300; font-size: small;"><strong><span style="color: #003300;">sin(180º + a) = -sin a</span></strong></span></p> <p style="text-align: center;"><span style="color: #003300; font-size: small;"><strong><span style="color: #003300;">cos(180º + a) = -cosa</span></strong></span></p> <p style="text-align: center;"><span style="color: #003300; font-size: small;"><strong><span style="color: #003300;">tg(180º +a) = tg a</span></strong></span></p> </td> <td> <p style="text-align: center;"><span style="color: #003300; font-size: small;"><strong><span style="color: #003300;">sin(-a) = - sina</span></strong></span></p> <p style="text-align: center;"><span style="color: #003300; font-size: small;"><strong><span style="color: #003300;">cos(-a) = cos a</span></strong></span></p> <p style="text-align: center;"><span style="color: #003300; font-size: small;"><strong><span style="color: #003300;">tg(-a) = - tg a</span></strong></span></p> </td> </tr> </tbody> </table>
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