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OpenStudy (anonymous):
Standard notation in a + bi; 4(cos(45) + isin(45)) what does it equal?
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OpenStudy (anonymous):
a=4*cos(45) b=4*sin(45)
OpenStudy (anonymous):
cos(45)=sin(45)=1/sqrt(2)=sqrt(2)/2 so 2*sqrt(2) + 2*sqrt(2)i
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