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If =sec^(2)theta+cos^(2)theta, where 0l...

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

A

y = 0

B

`0 le y le2`

C

`y ge 2`

D

None of these

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The correct Answer is:
C
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