Q&A #4927

Teachers' Lounge Discussion: Pre-calculus

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From: Pat Rossi

To: Teacher2Teacher Public Discussion
Date: 2002090912:55:52
Subject: Polar Coordinates and Imaginary Numbers

Electrical Engineering (from elementary level to advanced) uses polar coordinates and imaginary numbers extensively in AC circuit analysis. (They use "j" instead of "i" to avoid confusion ("i" represents AC current).

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