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If 32 tan^(8) theta=2 cos^(2) alpha-3 co...

If `32 tan^(8) theta=2 cos^(2) alpha-3 cos alpha and 3 cos 2 theta=1`, then the general values of `alpha` is

A

`2n pi, n in z`

B

`npi+-(pi)/(3), n in z`

C

`2npi+(pi)/(3), n in z`

D

`2npi+-(2pi)/(3), n in z`

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The correct Answer is:
D
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