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

If `2sin^(2)beta-cos^(2)beta` = 2 ,then `beta` is
(a ) 0°
(b) 90°
(c) 45°

A

`0^(@)`

B

`90^(@)`

C

`45^(@)`

D

`30^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
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