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 Community Discussion Question:
periods
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![[Post New]](/templates/default/images/icon_minipost_new.gif) 26 May 2008 00:59:25 IST
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calculate the period of cos[(mod sinx) -(mod cosx)]
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"You need a perfect strategy to clear JEE more than knowledge " |
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26 May 2008 01:09:43 IST
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its pie/2
cos(|sin(pie/2+x)|-|cos(pie/2+x)|) =cos(|cosx)|-|sinx|)=cos( |sinx|-|cosx|)
as cosx and |x| both are even functions
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26 May 2008 01:24:40 IST
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pi/2
(answer)
DON
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