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If 7 sin^2 theta+3 cos^2 theta=4, then ...

If `7 sin^2 theta+3 cos^2 theta=4`, then find value of tan `theta`.

A

`pm1/sqrt2`

B

`pm1/sqrt3`

C

`pm1/2`

D

`pm1/3`

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The correct Answer is:
B
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