Problem:
Find the norm and argument (phase angle in radians) of $-\frac{22}{3} \left(\frac{\sqrt{3}}{2}+\frac{i}{2}\right)$.
Answer:
Norm: $\frac{22}{3}$
Argument: $-\frac{5 \pi }{6}$
{'source': 'AMPS', 'file': 'amps/mathematica/algebra/complex_norm_and_arg/16642.txt'}