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If cosx = (-1)/2 and pi prec x prec (3 p...

If `cosx = (-1)/2` and `pi prec x prec (3 pi)/2`, then the value of `4 tan^2 x+3 cosec^2 x` is:

A

16

B

8

C

4

D

10

Text Solution

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The correct Answer is:
A
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