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Windstream

Ojk's Precalculus Study Page: Polar Coordinates and Complex Numbers

For Students 9th - 10th Standards
An introduction to basic conversion formulas for polar coordinates and complex numbers. Includes several examples.
Activity
Interactive Mathematics

Interactive Mathematics: Polar Form of Complex Numbers

For Students 9th - 10th Standards
Using vectors as a starting point, this site demonstrates how complex numbers can be written in polar form. Several examples are included that require you to write complex numbers in polar and rectangular form and also represent them...
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Khan Academy

Khan Academy: Plot Numbers on the Complex Plane

For Students 9th - 10th Standards
Given a complex number, plot its corresponding point on the complex plane. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

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