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142343
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www.mathway.com

142343
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and i be back

EarthCitizen
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is z given ?

allenh98
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allenh98
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z is a variable

allenh98
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I expanded the top, not even close to getting 0.1765 z ^ 1

EarthCitizen
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you can use De Moivre's theorem
\[z ^{n} = r ^{n}[\cos(n \theta)jsin(n \theta)]\]

allenh98
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that gives me 1

EarthCitizen
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can you use MATLAB ?

allenh98
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nvm i found the answer! just needed to fully expand it and it works itself out
thx for help!!!