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OpenStudy (anonymous):
Express the complex number in trigonometric form. -5i
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OpenStudy (anonymous):
@lap. do u have any idea how to do this too? sorry for so many questions
OpenStudy (anonymous):
would it be 5(cos90degrees+ i sin 90 degrees)?
OpenStudy (mertsj):
no. It is -5i
OpenStudy (anonymous):
I'm sorry I don't remember studying it. But if I find out I will let you know :)
OpenStudy (mertsj):
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