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[Post New]7 Apr 2008 15:58:09 IST
    Subject: Multiple n submultilple angles!
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m.viddya (101)

Scorching goIITian

Olaaa!! Perrrfect answer. 19  [22 rates]
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total posts: 218    
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Q.cos3A+cos3(120+A)cos3(120-A)=kcos3A then k=?
 
1.1/4
 
2.1/2
 
3.3/4
 
4.none
    
 

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