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convert to standard form :
6(cos 120°+i sin120°)

 Apr 14, 2016
 #1
avatar+128578 
+5

6 (cos 120°+ i sin120°)

 

6*cos120°  = 6* [-1/2 ]  =  -3     

 

6 * i  * sin 120°   =  [6* √3/2] i  =   3√3 i

 

So.....standard form is  ......     -3 +  3√3 i

 

 

cool cool cool

 Apr 14, 2016

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