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OpenStudy (anonymous):
Covert 4sqrt{3} - 4i into trigonometric form.
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OpenStudy (anonymous):
theta = Arc tan (-1/sqrt(3))
jimthompson5910 (jim_thompson5910):
If you have x+y*i, then you can convert to r*cis(theta) using the formulas r = sqrt(x^2 + y^2) theta = arctan(y/x)
OpenStudy (anonymous):
AS WAS instructed in the first comment.
jimthompson5910 (jim_thompson5910):
true, but you were missing r
OpenStudy (dumbcow):
if you need a visual |dw:1347304997515:dw|
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