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lethetale90^(@)and4cos^(2)theta-4sqrt(3)...

`lethetale90^(@)and4cos^(2)theta-4sqrt(3)costheta+3=0` then the value of `theta` is

A

`30^(@)`

B

`45^(@)`

C

`90^(@)`

D

`60^(@)`

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The correct Answer is:
A
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