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saket_brutus (112)

Cool IASian

Olaaa!! Perrrfect answer. 18  [29 rates]

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total posts: 49    
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Hi Richeek,
  Maybe u can try this method,
 split   cos(2n+1) d  as              cos2n . cos d
Then integrate by parts(Take cos2n as Uand cos as V).
If u donot get the answer plz reply.
Cheers.
 

Saket
  this reply:   5 points  (with Olaaa!! Perrrfect answer.   in 1   votes   )     [?]
 
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