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Test-Lidia
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Si <span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mi mathvariant="normal"»cotan«/mi»«mfenced»«mi»§#945;«/mi»«/mfenced»«mo»=«/mo»«mo»-«/mo»«mn»2«/mn»«/math»</span> i <span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mi mathvariant="normal"»sin«/mi»«mfenced»«mi»§#946;«/mi»«/mfenced»«mo»=«/mo»«mn»3«/mn»«mi mathvariant="normal"»cos«/mi»«mfenced»«mi»§#946;«/mi»«/mfenced»«/math»</span>, calculeu els valors de:<br /> <table width="100%" border="1" align="middle"><tbody> <tr> <td width="50%" valign="top" align="center"><span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mn»3«/mn»«mo»·«/mo»«mi mathvariant="normal"»tan«/mi»«mfenced»«mrow»«mn»2«/mn»«mi»§#945;«/mi»«/mrow»«/mfenced»«mo»=«/mo»«/math»</span>{:SA:=-4} </td> <td width="50%" valign="top" align="center"> <span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mi mathvariant="normal"»tan«/mi»«mfenced»«mrow»«mi»§#945;«/mi»«mo»+«/mo»«mi»§#946;«/mi»«/mrow»«/mfenced»«mo»=«/mo»«/math»</span>{:SA:=1} </td> </tr></tbody> </table>
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Monday, 12 August 2013, 9:04 AM
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