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If sin alpha, sin^(2) alpha, 1,sin^(4) a...

If `sin alpha, sin^(2) alpha, 1,sin^(4) alpha, sin^(5) alpha, ( - pi lt alpha lt pi )` are in A.P. , then `alpha` lies in the interval `:`

A

`(-(pi )/( 2), ( pi )/( 2))`

B

`(-(pi )/( 3), ( pi )/( 3))`

C

`(-(pi )/( 6), ( pi )/( 6))`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
D
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