AP and TS EAMCET Engineering Model Paper 7

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Question : 71 of 160

Marks: +1, -0

If ∫1+tan(x−α)‌tan(x+α)‌d‌x=λ‌log‌e|

cos(x+α)

cos(x−α)

|+c then λ=

cot 2α
tan 2α
− cot 2α
− tan 2α

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