Chicago Public Schools
The lesson for day 152 define polar coordinates and explains how to convert between polar and rectangular coordinates.

Polar Coordinates and Graphs
This lesson defines polar coordinates and demonstrates conversions between polar and Cartesian coordinates. The site includes directions on how to graph polar equations on the TI-82/83 graphing calculator.

Polar Tutorial
In this tutorial, we define polar coordinates. We convert from polar coordinates to rectangular coordinates and from rectangular coordinates to polar coordinates.

Complex Numbers Tutorial
This lesson tells how to convert between rectangular, trigonometric, and polar forms. A quiz is included.

Geometric and Trigonometric Representation of Complex Numbers
This is a lesson relating the different forms for complex numbers.

Polar Form of a Complex Number
This is a lengthy and attractive lesson on complex numbers in polar form. There are direct applications with electricity using capacitance and resistance.

Chicago Public Schools
The lesson for day 153 deals with graphing of polar equation. Ready-made polar graph paper is included.

Families of Polar Graphs
This lesson demonstrates the graphs of some families of polar graphs using a LiveMath plug-in.

Graphing Polar Coordinates
Applet that graphs polar coordinates. Students can manipulate the coordinates.

Orbital Dynamics
This is an advanced link on the orbits of planets. The author introduces and explains polar coordinates to preface graphing ellipse in polar form.

Graphing Cycloids and Spirals
Applet that graphs logarithmic spirals and cycloids.

Famous Curves Index
Click on the name of a curve to see its history and some of its associated curves.

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