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Ask iit jee aieee pet cbse icse state board community Discussion Response Post to: sin22.5+cos22.5=
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[Post New] 22 Apr 2009 09:06:25 IST
   Subject: sin22.5+cos22.5=
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KAPIL CVS (2538)

Olaaa!! Perrrfect answer. 416  [645 rates]
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hey, one more method,

              now by sinc +sind formula, we get,

using c = 22.5 and d = 22.5, we get,

                                                  

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