Sunday, August 12, 2012

Tracing the Sine Function

Move point C about the circle. Observe what happens to point P.

This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com
Guillermo Bautista, Created with GeoGebra

Questions
  1. What can you say about the lengths of segment CD and segment PE?
  2. What can you say about the distance of E from the origin? What is it equal to? 
  3. What do x and y represent in P(x,y)? 
  4. What do the traces of P represent? 

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