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Discussion Response Post to:
solve
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![[Post New]](/templates/default/images/icon_minipost_new.gif) 16 May 2008 14:17:10 IST
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Are budokai,the derivative of tanx is sec2x and not cos2x.If it is so,why shud I waste 15min to do that problem.
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MAKING A MISTAKE IS HUMAN BUT REPEATING IT IS IDIOTIC. |
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