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complex numbers

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studos
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Original post by rayquaza17
http://betterexplained.com/articles/a-visual-intuitive-guide-to-imaginary-numbers/

This is pretty much how my lecturer explained it to my class.

BTW: MEI is an exam board, like Edexcel, OCR, AQA. (I am not googling the full names of them to write them out!)


good find! thanks!
Original post by rayquaza17
http://betterexplained.com/articles/a-visual-intuitive-guide-to-imaginary-numbers/

This is pretty much how my lecturer explained it to my class.

BTW: MEI is an exam board, like Edexcel, OCR, AQA. (I am not googling the full names of them to write them out!)


MEI is mathematics education innovators I think


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Original post by physicsmaths
MEI is mathematics education innovators I think


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Apparently it's "Mathematics in Education and Industry (MEI)"

I don't even think Edexcel is Edexcel anymore? Did they not change their name? I'm obviously too old and not in the loop now. :frown:
Original post by rayquaza17
I don't even think Edexcel is Edexcel anymore? Did they not change their name? I'm obviously too old and not in the loop now. :frown:


Pearson Edexcel these days.
Reply 24
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Original post by studos
how do you expect someone to understand what you wrote?

what is MEI? haven't you learnt that you need to analyze abbreviations before you use them?

also, what is theata? you mean the greek letter theta? you should also indicate that you name the angle of a complex number as theta, because theta could be anything


MEI is my exam board lol
and theta is the angle
Original post by TeeEm
Who upset you today?

I will try to explain the fellow poster's comments

M.E.I. stands for M@st@rbation Enhances Intelligence
Happy New Year!

haha lol
quite the opposite in reality
Original post by rayquaza17
Apparently it's "Mathematics in Education and Industry (MEI)"

I don't even think Edexcel is Edexcel anymore? Did they not change their name? I'm obviously too old and not in the loop now. :frown:


Ah innovators inducpstry same thing


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Original post by physicsmaths
inducpstry


Someone's been gargling meths.
Original post by Mr M
Someone's been gargling meths.


Indistry, I actually don't know how to spell that word


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Original post by studos
hello!

in polar form of complex numbers, can the angle be negative? can the angle be >360 ?

thanks!


It can be any value you want.

It's best to choose a convention and stick to it, usually 0 =< x < 360 or -180 < x =< 180. Usually, you use radians instead.

Note that 365 degrees is equivalent to 5 degrees.

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