Maybe the place to start if you want to know something about math. http://www.nasa.gov/audience/forstudents/9-12/features/index.html
Have a math question? Try Ask Dr. Math...... http://mathforum.org/dr.math/
Even more math stuff....... http://forum.swarthmore.edu/teachers/high/
Yes, believe it or not,a site for that mathematical quotation you were looking for ........... http://math.furman.edu/~mwoodard/mqs/mquot.shtml
A short course in Trigonometry brought to you by Dave. http://www.npr.org/
NASA's take on why Trigonometry is important http://www.justadventure.com/
Beginning Trigonometry questions....... http://linguistlist.org/
Great interactive site showing how the sine and cosine waves are created from a point going around in circles. http://www.talkbass.com
Good interactive site to refresh your knowledge of Parametric Equations! http://www.serotta.com
Site used in Honor's Trigonometry to create works of art using parametric equations. http://www.maa.org/pubs/mm_supplements/farris/frieze.html
Trigonometry and bicycles.....check out the bottom of the page. http://www.glencoe.com/sec/math/mlg/mlg.php
THe Mathematics Glossary - in multiple languages no less! http://www.glencoe.com/sec/math/mlg/mlg.php