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```        solve for x :
x7 = 1

{ the answer is not only = 1, it probably has 6 other values }```
8 years ago

24 Points
```										Hi Anthony
1 = cos2pi + isin2pi
11/7 = cos(2rpi/7) + isin(2rpi/7)
where
r = 1,2,3,4,5,6,7
This was derived using Euler's Formula
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Regards,
Rajat
```
8 years ago
anthony rebello
8 Points
```										thnx for the reply, but i hav a doubt :

why cant    1=cos (0) + i sin (0)
```
8 years ago
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