How to Find the Modulus and Argument of a Complex Number

The full lesson and more can be found on our website at https://mathsathome.com/modulus-argum... In this lesson we learn how to calculate the modulus of a complex number. We also learn how to calculate the argument of a complex number. We first learn what the modulus and argument of complex numbers are and then look at examples of calculating the modulus and argument in different quadrants of the complex plane.