Lesson: The Argument of a Complex Number

Mathematics

In this lesson, we will learn how to identify the argument of a complex number and how to calculate it.

Video

17:20

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Sample Question Videos

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05:18
03:08

Worksheet

Q1:

Find the argument of the complex number in radians. Give your answer correct to two decimal places.

Q2:

Consider the complex number .

Find the argument of .

Hence, find the argument of .

Q3:

A complex number is multiplied by another complex number , and then by the complex conjugate . How is the argument of the resulting complex number related to the argument of the original complex number?

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