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Find zw and z/w

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1, find zw

2. find z/w

 May 16, 2020

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If  z  =  r1·cis(A1)  and  w  =  r2·cis(A2) 

then     z·w  =  r1·r2·cis(A1 + A2)

and      z/w  =  (r1/r2)·cis(A1 - A2)

 May 16, 2020

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