यदि (sin^(2)theta - cos^(2)theta) = (1)/...

यदि `(sin^(2)theta - cos^(2)theta) = (1)/(4)`, हो तो `(sin^(4)theta -cos^(4)theta)` का मान क्या होगा ?

A

`(3)/(4)`

B

`(1)/(4)`

C

`(1)/(16)`

D

`(1)/(2)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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