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If (1+sin2x)/(1-sin2x)=cot^(2)(a+x)AA x ...

If `(1+sin2x)/(1-sin2x)=cot^(2)(a+x)AA x inR~(npi+(pi)/(4)), n in N` ,
then a can be

A

`(pi)/(4)`

B

`(pi)/(2)`

C

`(3pi)/(4)`

D

none of these

Text Solution

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The correct Answer is:
C
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