Solve the inequality, cosxle-1/2....

Solve the inequality, `cosxle-1/2.`

A

`x in [ 2 n pi + (pi)/(6) , 2 npi + (pi)/(3) ], n in Z`

B

`x in [2 npi + (2pi)/(3), 2npi + (4pi)/(3) ], n in Z`

C

`x in [2 n pi - (2pi)/(3), 2 npi + (2pi)/(3) ],n in Z`

D

None of these

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The correct Answer is:

B

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