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Last Problem I promise

 

Multiply (2.89cis 62.31\deg)(11cis 102.05\deg )

 

Thanks again smiley

 Jun 13, 2022
 #1
avatar+580 
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(2.89(cos(62.31°)+isin(62.31°)))(11(cos(102.05°)+isin(102.05°)))

 

Converting to rad:

 

289100(cos(2077π6000)+isin(2077π6000))11(cos(2041π3600)+isin(2041π3600))

 

UsetheEulersformula:cos(x)+isin(x)=eix

 

289100(cos(2077π6000)+isin(2077π6000))11(cos(2041π3600)+isin(2041π3600))=11289100ei2041π3600ei2077π6000

 

11289100ei2041π3600ei2077π6000

 

3179(1)41094500100

 

-Vinculum

 Jun 13, 2022

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