How would I write -4i in polar form? I know that i solve for y..and I get for but I'm not sure where to go from there.
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For any complex number , it can be expressed in the form .
For your question however you should be able to see the number lies on the im axis and so the angle is and there is no real part so
Last edited by nzmathman; Dec 14th 2008 at 12:44 PM.
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