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Polar form of complex numbers

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Now Playing:Polar form of complex numbers – Example 1a
Examples
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  1. Convert the following complex numbers from rectangular form to polar form
    1. z=2i−3 z=2i-3

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    2. w=−5−3iw=-5-3i

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    3. z=4−i z=4-i

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Practice
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Polar Form Of Complex Numbers 1a
Introduction to imaginary numbers
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Notes
Knowing the argument and the modulus of a complex number allows us to convert a complex number from its rectangular form, which is what we have been using thus far, to its other basic form – polar form. We will see that while a complex number in rectangular form is denoted by its horizontal and vertical components, a complex number in polar form is denoted by its magnitude and argument.