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Please help with this question. Thank you!

 Apr 19, 2019
 #1
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+3

r  = √[2^2 + 2^2]  =  √8  =  2√2

 

θ  =  arctan (2/2)   =  arctan (1)  =  45°

 

So

 

2√2 ( cos 45°  + i sin 45° )

 

 

cool cool cool

 Apr 19, 2019

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