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If sin^(4) theta+cos^(4)theta=(1)/(2), t...

If `sin^(4) theta+cos^(4)theta=(1)/(2)`, then find `sin theta cos theta `.

A

`pm(1)/(8)`

B

`pm(1)/(4)`

C

`pm1`

D

`pm(1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Use the identity `a^(2)+b^(2)=(a+b)^(2)-2ab`
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