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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: Easy one
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[Post New]19 Apr 2008 10:28:12 IST
    Subject: Easy one
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pantpranav (352)

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If tan B = (1 + n cos2 A)/(1 - n cos2 A), find tan (A+B)

Ans.     tan A/(1 - n)


    
[Post New]20 Apr 2008 15:28:59 IST
    Subject: Easy one
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Decoder (333)

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first thing ..make cos to sec and sec to tan...

solve from here on..and don't rate if u don't get the answer. .. :)
Diamonds r formed under greatest pressures..
so r the champs.

Kriteesh..


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