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If A=sin^(2)theta+cos^(4)theta, then fin...

If `A=sin^(2)theta+cos^(4)theta`, then find all real values of `theta`.

A

`1 lt A le2`

B

`(13)/(16) le A le 1`

C

`(3)/(4) le A le (13)/(16)`

D

`(3)/(4) le A le 1`

Text Solution

Verified by Experts

The correct Answer is:
D
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