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sin x+i cos 2 x and cos x-i sin 2 x are ...

`sin x+i cos 2 x` and `cos x-i sin 2 x` are conjugate to each other for,

A

`x=n pi`

B

`x=(n+(1)/(2)) (pi)/(2)`

C

`x=0`

D

no value of x

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The correct Answer is:
D
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HIMALAYA PUBLICATION-COMPLEX NUMBERS-QUESTION BANK
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  12. If a=cos theta+i sin theta then (1+a)/(1-a)=

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