Asked by Tom
                Graph each complex number. Then express it in rectangular form.
2(cos(4pi/3) + isin(4pi/3))
I don't understand where to go from here.
            
        2(cos(4pi/3) + isin(4pi/3))
I don't understand where to go from here.
Answers
                    Answered by
            Reiny
            
    cos(4pi/3) = - 1/2
sin(4pi/3) = - √3/2
so
2(cos(4pi/3) + isin(4pi/3)) = -1/2 - (√3/2)i
here is a nice page for this topic
http://www.allaboutcircuits.com/vol_2/chpt_2/5.html
    
sin(4pi/3) = - √3/2
so
2(cos(4pi/3) + isin(4pi/3)) = -1/2 - (√3/2)i
here is a nice page for this topic
http://www.allaboutcircuits.com/vol_2/chpt_2/5.html
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