यदि cos^4 theta - sin^4 theta = 1//3 हो ...

यदि `cos^4 theta - sin^4 theta = 1//3` हो , तो `tan^2 theta` का क्या मान है ?

A

`1//2`

B

`1//3`

C

`1//4`

D

`1//5`

लिखित उत्तर

Verified by Experts

The correct Answer is:

A

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