Ask iit jee aieee pet cbse icse state board community Discussion Response Post to: Two values for dy/dx?
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aman (412)

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yes both the methods are right . they are however right in different domains .  
 
in the first case cosx/2 > sinx/2 , thus root( cosx/2-sinx/2)^2 = |cosx/2-sinx/2|
 
the reverse holds in d other case

khud hi ko kar buland itna ki khuda bhi tujhse puche ...bol bande , teri raza kya hai
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