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Let B =2 sin ^(2) x - cos 2x, then ........

Let `B =2 sin ^(2) x - cos 2x,` then ............... A) `-1 le B le 3` B) `0 le B le 2` C) `-1 le B le 1` D) `-2 le B le 2`

A

`-1 le B le 3`

B

`0 le B le 2`

C

`-1 le B le 1`

D

`-2 le B le 2`

Text Solution

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The correct Answer is:
A
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