This video gives an excellent overview of the different representations of a complex number. First, Sal reviews a pictorial representation of a complex number as an Argand diagram, then shows how to find the modulus and the argument of a complex number and write a complex number in the form z = r (cos _+isin_) and finally, how to write a complex number in exponential form using EulerÕs relations.

Concepts

complex numbers, complex plane, exponential notation, exponents

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Additional Tags

argand diagram, argand plane, complex plane, exponential form, complex number, euler's relation, math

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Classroom Considerations

• This video is hosted on YouTube