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Let f(theta)=(1+sin^(2)theta)(2-sin^(2)t...

Let `f(theta)=(1+sin^(2)theta)(2-sin^(2)theta)`. Then for all values of `theta`

A

`f(theta) gt (9)/(4)`

B

`f(theta) lt 2`

C

`f(theta) gt (11)/(4)`

D

`2 le f(theta) le (9)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
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