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If 5sin^(2)theta+3cos^(2)theta=4. Find t...

If `5sin^(2)theta+3cos^(2)theta=4`. Find the value of `sin theta and cos theta`:

A

`+-1/sqrt2`, `+-1/sqrt2`

B

`+-sqrt3/2, +-sqrt2`

C

`sqrt3/2, 1/sqrt2`

D

none of these

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The correct Answer is:
A
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