express a
![\div 1 - \cos( \alpha ) - i\sin( \alpha ) ) \div 1 - \cos( \alpha ) - i\sin( \alpha ) )](https://tex.z-dn.net/?f=+%5Cdiv+1+-++%5Ccos%28+%5Calpha+%29+-++i%5Csin%28+%5Calpha+%29+%29+)
as
![a + ib a + ib](https://tex.z-dn.net/?f=a+%2B+ib)
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![](https://hi-static.z-dn.net/files/d5d/cdc544ba7b23dd41ca2528771e39f3f9.jpg)
puja2022:
plz send me it's expression
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Answered by
1
Please see the attachment
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![](https://hi-static.z-dn.net/files/d82/b5e885f5ddf9b250d5339bc445964fed.jpg)
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