+0  
 
-1
466
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avatar+95 

Please help with this question. Thank you!

 Apr 19, 2019
 #1
avatar+128460 
+3

8(cos 240°   +   i sin 240°  )   =

 

8 ( -√3/2  - 1/2 i )  =

 

 - 4√3  -  4 i

 

 

cool cool cool

 Apr 19, 2019

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