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4sinxcosx+2sinx+2cosx+1=0...

`4sinxcosx+2sinx+2cosx+1=0`

A

`npi+(-1)^(n)(11pi)/(6), 2npipm(2pi)/(3), ninZ`

B

`npi+(-1)^(n)(7pi)/(6), npipm(pi)/(3), ninZ`

C

`npi+(-1)^(n)(7pi)/(6), 2npipm(4pi)/(3), ninZ`

D

`npi+(-1)^(n)(11pi)/(6), 2npipm(4pi)/(3), ninZ`

Text Solution

Verified by Experts

The correct Answer is:
B
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