Complex Numbers in Trigonometric Form

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This video explains how to write complex numbers in trigonometric form.
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OMG I have a test and like 5 hours and didn't pay attention in class for 3 months.
This saved my life.

Mushyloni
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@mirbaz10 check out wikipedia: A complex number can be visually represented as a pair of numbers forming a vector on a diagram called an Argand diagram, representing the complex plane.

Mathispoweru
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At 7:01, how do you get that the angle is 135 degrees? Also, could you explain what is meant when you say that the angle is is a 45 degree reference angle from -45 degrees? Thanks.

amphitrite
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hi, why are you drawing vector, when complex no.s are just point in a graph ?

mirbaz
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oh thank you I have a test today this helped a lot.

XxNinjaLimeXX
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+1 internet cookie for you, +1 A on a quiz for me. Thanks bud!

CptFgt
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Thanks, thought the second to last problem was a bit wacky? lol thanks bro

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