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Ask iit jee aieee pet cbse icse state board community Discussion Response Post to: Maths
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[Post New] 19 Jun 2007 15:26:23 IST
   Subject: Re:trigo
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HIMANSHU JAIN (376)

Olaaa!! Perrrfect answer. 62  [95 rates]
HIMANSHU JAIN's Avatar
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sin285 = cos25
& using sin2x + cos2x = 1.
:. whole of the series gets converted till 40.(8 terms used till 40)
ans will be
8+sin245+sin290=9.5
Himanshu Jain P.E.C. http://jainhim.blogspot.com/
  this reply:   7 points  (with 1  Olaaa!! Perrrfect answer.   in 2   votes   )     [?]
 
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