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

If `A=2 sin^(2) theta - cos 2 theta ` , then

A

`-1leAle3`

B

`1leAle2`

C

`-2leAle4`

D

`-3leAle-2`

Text Solution

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The correct Answer is:
A
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