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For theta gt (pi)/(3), the value of f (t...

For `theta gt (pi)/(3),` the value of `f (theta) =(sec ^(2) theta + cos ^(2) theta)` always lies in the interval-

A

`[2, oo)`

B

`(0,2)`

C

`[0,1]`

D

`[1,2]`

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The correct Answer is:
A
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CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 2
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