If 7 cos^2 theta +3 sin^2 theta =4 and 0...

If `7 cos^2 theta +3 sin^2 theta =4 and 0 lt theta lt pi//2`, what is the value of `tan theta` ?

A

`sqrt7`

B

`7/3`

C

3

D

`sqrt3`

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The correct Answer is:

D

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