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If 32 tan^8 theta =2 cos^2 alpha-3 cos a...

If `32 tan^8 theta =2 cos^2 alpha-3 cos alpha and 3cos2 theta =1,`
then the general value of `alpha ` is

A

(a) `2npipm(pi)/(3)`

B

(b) `2npipmcos^(-1)(2)`

C

(c) `2npipm(2pi)/(3)`

D

(d) none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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