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Simplify : ((1+ cos theta - isin theta)/...

Simplify : `((1+ cos theta - isin theta)/(1+cos theta + i sin theta))^5 `

A

`cos 5 theta`

B

`cos 5 theta - isin 5 theta`

C

`sin 5 theta + icos 5 theta`

D

`sin 5 theta- icos5 theta`

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PREMIERS PUBLISHERS-MODEL QUESTION PAPER -1-Part -IV
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