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The general solution of the equation 7co...

The general solution of the equation `7cos^2x+sinxcosx-3=0` is given by

A

`n pi+pi/2, n in I`

B

`n pi-pi/4, n in I`

C

`n pi+tan^-1(4/3), n in I`

D

`n pi+(3pi)/4, k pi+tan^-1(4/3),n, k in I`

Text Solution

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The correct Answer is:
D
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