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Ask iit jee aieee pet cbse icse state board community Discussion Response Post to: IF cosecA+cotA =11/2.what is the value of tanA
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~~~iShAli~~~ (54)

Olaaa!! Perrrfect answer. 8  [15 rates]

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(1+cosA)/sinA=11/2

2sin2(A/2)/2sin(A/2)cos(A/2)=cot(A/2)=11/2=>tanA/2=2/11

tanA=2tan(A/2)/1-tan2(A/2)

substituting the value of tanA/2

we get tanA=(44/105)

  this reply:   2 points  (with Olaaa!! Perrrfect answer.   in 1   votes   )     [?]
 
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