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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

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
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