Trigonometry: Complex Numbers

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Uploaded by on Jun 25, 2007

More trig videos at http://www.MathTV.com

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Education

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  • this man inspires me. When I am older, i will make math videos on youtube. you rock!!!

  • you should get a noble prize fore your handwriting !!!!!

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  • wauw ...huge thx 

  • ชอบๆ

  • how is this trig? isn't this algebra?

  • thanks for clear explanation

  • easier to just say if you can divide the exponent of i with 4 the answer will be 1 and if there are leftover exponents, let's call em a, just do 1 x i^a which should be quite easy considering a can only be 1-3 unless it's negative number I suppose.

  • @bradneyjoebruno It is right. Because 9 MINUS -1 is actually 9 PLUS 1 which equals 10. :)

  • Wy it's not 9 -1 instead of 9+1? because i times -i should be -i square. which i think is -1

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