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If (cos theta + i sin theta) ( cos 2 the...

If `(cos theta + i sin theta) ( cos 2 theta + i sin 2 theta)....`
`(cosn theta + i sin theta) = 1,` then the value of ` theta` is

A

`(2 mpi)/(n ( n +1))`

B

`4 mpi`

C

`( 4 m pi)/( n ( n + 1))`

D

`( m pi )/( n( n+1))`

Text Solution

Verified by Experts

The correct Answer is:
C
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