
【高中】【数学】求详细解答!谢谢!最好发图片来!!
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f(2012)=asin(2012PI+A)+bcos(2012PI+B)+4
=asinA+BsinB+4=6
asinA+BsinB=2
f(2013)=asin(2013PI+A)+bcos(2013PI+B)+4
=asin(2012PI+PI+A)+bcos(2012PI+PI+B)+4
=asin(PI+A)+bcos(PI+B)+4
=-(asinA+BsinB)+4
=-2+4=2
=asinA+BsinB+4=6
asinA+BsinB=2
f(2013)=asin(2013PI+A)+bcos(2013PI+B)+4
=asin(2012PI+PI+A)+bcos(2012PI+PI+B)+4
=asin(PI+A)+bcos(PI+B)+4
=-(asinA+BsinB)+4
=-2+4=2
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