Lesson #162
Graphing Polar coordinates

Quotes of the Day:

"We are all concerned about the future of American education. But as I tell my students, you do not enter the future -- you create the future. The future is created through hard work."
-- Jaime Escalante

"Polar Coordinates aren't just Arctic fashions."

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Objectives:
The student will plot polar equations.

1. Examples



Look for a pattern. (These are called the Rose curves).
# of petals = n if n is odd integer.
# of petals = 2n if n is an even integer.
if n = 1, there is one petal and it is circular.


2. More examples to graph:




3. Hand out Sheet entitled, "Some Interesting Polar Curves."
Discuss the curves.

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Send any comments or questions to: David Pleacher