What is the difference between modulus and argument?
The modulus is a complex number's distance from the origin; the argument is the angle it makes with the positive real axis.
The modulus is a complex number's distance from the origin; the argument is the angle it makes with the positive real axis. A reliable way to keep them apart is to focus on what each one is defined by, not just the similar-sounding words.
Key point
modulus vs argument
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