यदि (sin theta + cos theta)/(sin theta ...

यदि `(sin theta + cos theta)/(sin theta -cos theta) =3` तो `sin^(4)theta -cos^(4)theta` का मान है-

A

`(1)/(5)`

B

`(2)/(5)`

C

`(3)/(5)`

D

`(4)/(5)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

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