Express the indicated roots of unity in standard form a + bi.Fifth roots of unity
A. 1 + 0i
cos 
+ i sin 
? 0.31 + 0.95 i
cos 
+ i sin 
? - 0.81 + 0.59 i
cos 
+ i sin 
? - 0.81 - 0.59 i
cos 
+ i sin 
? 0.31 - 0.95 i
0 + i
B. 1 + 0i
cos 
+ i sin 
? 0.81 + 0.59 i
cos 
+ i sin 
? 0.31 + 0.95 i
cos 
+ i sin 
? - 0.31 + 0.95 i
cos 
+ i sin 
? - 0.81 + 0.59 i
C. cos 
+ i sin 
? 0.31 + 0.95 i
cos 
+ i sin 
? - 0.81 + 0.59 i
cos 
+ i sin 
? - 0.81 - 0.59 i
cos 
+ i sin 
? 0.31 - 0.95 i
cos 
+ i sin 
? 0.31 + 0.95 i
D. 1 + 0i
cos 
+ i sin 
? 0.31 + 0.95 i
cos 
+ i sin 
? - 0.81 + 0.59 i
cos 
+ i sin 
? - 0.81 - 0.59 i
cos 
+ i sin 
? 0.31 - 0.95 i
Answer: D
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