SOLUTION: Express -5(cos pi/2 +isin pi/2) in rectangular form. I got -5i. Is this correct?

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Question 937382: Express -5(cos pi/2 +isin pi/2) in rectangular form.
I got -5i. Is this correct?

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
This looks right



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You can show the just
to remind yourself that it has
a real part

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