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sowjanya_reddygudipati (73)

Cool goIITian

Olaaa!! Perrrfect answer. 11  [20 rates]

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total posts: 75    
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no need for going ny substituation u can directly use
 
 
 
[ ][ ] sinx/cos2x=[ ][ ] tanxsecx=secx
 
[ ][ ] cosx/sin2x=[ ][ ] cotxcosecx=cosecx
 this reply: 5 points  (with Olaaa!! Perrrfect answer.   in 1 votes )   [?]
 
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