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

If `A=sin^(2) theta + cos^(4) theta ` , then for all values of ` theta ` , where

A

[1,2]

B

`[(3)/(4),1]`

C

`[(1)/(2),(3)/(4)]`

D

`[(3)/(4),(19)/(16)]`

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