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OpenStudy (anonymous):
The argument of √10cos(5π/7)+i√10sin(5π/6). I think it's -2.47/1.97
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OpenStudy (anonymous):
Actually, wait. The -2.47/1.97 would be put into arctan, so it would be -0.897?
jimthompson5910 (jim_thompson5910):
r*(cos(theta) + i*sin(theta)) r = modulus theta = argument
OpenStudy (anonymous):
Oh. Really? It works differently than in (x + yi) form?
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