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Sabent que <span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mi mathvariant="normal"»tan«/mi»«mfenced»«mi»§#945;«/mi»«/mfenced»«mo»=«/mo»«mfrac»«mrow»«mo»-«/mo»«mn»3«/mn»«/mrow»«mn»4«/mn»«/mfrac»«/math»</span> i <span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mi»§#945;«/mi»«mo»§#8712;«/mo»«mfenced close="]" open="["»«mrow»«mfrac»«mi»§#960;«/mi»«mn»2«/mn»«/mfrac»«mo»,«/mo»«mi»§#960;«/mi»«/mrow»«/mfenced»«/math»</span>, calculeu:<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»5«/mn»«mo»·«/mo»«mi mathvariant="normal"»cos«/mi»«mfenced»«mi»§#945;«/mi»«/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"»«mn»5«/mn»«mo»·«/mo»«mi mathvariant="normal"»sin«/mi»«mfenced»«mi»§#945;«/mi»«/mfenced»«mo»=«/mo»«/math»</span>{:SA:=3} </td> </tr> <tr> <td width="50%" valign="top" align="center"><span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mi mathvariant="normal"»cos«/mi»«mfenced»«mfrac»«mi»§#945;«/mi»«mn»2«/mn»«/mfrac»«/mfenced»«mo»=«/mo»«mo»+«/mo»«msqrt»«mfrac»«mi»n«/mi»«mn»10«/mn»«/mfrac»«/msqrt»«/math»</span> on <i>n</i>={:SA:=1}<br /> </td> <td width="50%" valign="top" align="center"><span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mi mathvariant="normal"»sin«/mi»«mfenced»«mfrac»«mi»§#945;«/mi»«mn»2«/mn»«/mfrac»«/mfenced»«mo»=«/mo»«mo»+«/mo»«msqrt»«mfrac»«mi»n«/mi»«mn»10«/mn»«/mfrac»«/msqrt»«/math»</span> on <i>n</i>={:SA:=9} </td> </tr> <tr> <td width="50%" valign="top" align="center" rowspan="1"><span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mi mathvariant="normal"»sin«/mi»«mo»(«/mo»«mn»2«/mn»«mi»§#945;«/mi»«mo»)«/mo»«mo»=«/mo»«mfrac»«mi»n«/mi»«mn»25«/mn»«/mfrac»«/math»</span> on <i>n</i>={:SA:=-12} </td> <td width="50%" valign="top" align="center" rowspan="1"><span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mi mathvariant="normal"»cos«/mi»«mfenced»«mrow»«mn»2«/mn»«mi»§#945;«/mi»«/mrow»«/mfenced»«mo»=«/mo»«mfrac»«mi»n«/mi»«mn»25«/mn»«/mfrac»«/math»</span> on <i>n</i>={:SA:=7}<br /> </td> </tr></tbody> </table><br />
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Monday, 12 August 2013, 9:04 AM
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