QCAA Specialist Mathematics Practice Questions - QCAA Specialist Mathematics (Units 3 & 4) Exam

What is the principal argument Arg(z) of the complex number z = -1 + i?

\frac{\pi}{4} -\frac{\pi}{4} -\frac{3\pi}{4} \frac{3\pi}{4}

Correct Answer:

\frac{3\pi}{4}

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