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![[Post New]](/templates/default/images/icon_minipost_new.gif) 22 May 2007 11:35:13 IST
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jus temme if ter is any error in this..
cosy = (3 + 5cosx)/ (5 + 3cosx)
cross multiplyin,
5cosy + 3cosxcosy = 3 +5cosx
diff wrt x
-5sinydy/dx -3sinxcosy - 3cosxsinydy/dx = -5sinx
hence dy/dx= sinx(5 - 3cosy)/siny(5 + 3cosx)
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