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Mathematics 15 Online
OpenStudy (anonymous):

Express the complex number in trigonometric form. -5i

OpenStudy (anonymous):

5(cos 270° + i sin 270°) i think this is the right answer

OpenStudy (anonymous):

you got it!!!

OpenStudy (anonymous):

sweet, thanks!

OpenStudy (anonymous):

i didn't do anything...

OpenStudy (anonymous):

you verified that my answer was right

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