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[Post New]21 May 2007 23:37:31 IST
    Subject: Re:Differentiate-
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vinu (524)

Blazing goIITian

Olaaa!! Perrrfect answer. 78  bad job dude!! I dont approve of this answer! 1  [147 rates]
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cos y = [(3+5cosx)/(5+3cosx)]  ;
 
differenciate......
 
- sin y dy/dx = [(5+3cosx)(-5sinx) - (3+5cosx)(-3sinx)] / (5+3cosx) 2 = [-16sinx]/ (5+3cosx) 2  ;
 
transform siny 2 cosy & simplify....
 
dy/dx = 4 / (5+3cosx) .
 this reply: 4 points  (with 0 Olaaa!! Perrrfect answer.   in 2 votes )   [?]
 
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