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If (cos^(2) theta - 4) x^(2) + (cot thet...

If `(cos^(2) theta - 4) x^(2) + (cot theta + sqrt(3)) + cos^(2) ""(3 pi)/(2) = 0 " hold " AA x in R " then " theta `=

A

`(5 pi)/( 2), (11 pi)/( 2)`

B

`(5 i)/(6) , (11 pi)/( 6)`

C

`(5 pi)/( 3), (11 pi)/( 3)`

D

`(5 pi)/( 4), (11 pi)/( 4)`

Text Solution

Verified by Experts

The correct Answer is:
B
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