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

If `A= sin^(2)theta + cos^(4)theta`, where `0 le theta le pi/2`, then which one of the following is correct ?

A

`1 le A le 2`

B

`3/4 le A le 1`

C

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

D

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

Text Solution

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The correct Answer is:
B
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