If sqrt3 cos theta =sin theta , then the...

If `sqrt3 cos theta =sin theta `, then the value of `(4sin^2 theta -5 cos theta )/(3 cos theta +1)` is:

A

`(1)/(4)`

B

`(1)/(5)`

C

5

D

`(2)/(5)`

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The correct Answer is:

B

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