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If arg ( z ) < 0 \arg(z) < 0 , then simplify arg ( z ) arg ( z ) \arg(-z) - \arg(z) .

π 2 -\frac\pi2 π \pi π 2 \frac\pi2 π -\pi

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1 solution

Sujith Battu
May 21, 2016

reason : arg ( - z) - arg z = arg ( - z/z) = arg (-1) = 3.14

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