A downloadable applet illustrating the sine, cosine, and tangent ratios. The download contains ActiveX controls, which may not load on some school networks. (
http://demonstrations.wolfram.com/SOHCAHTOATriangle/
)

Trigonometry (the use of Trigonometry in the geosciences, Math Connect page 71)

You must be a registered user to view the premium content in this website.

If you already have a username and password, enter it below. If your textbook
came with a card and this is your first visit to this site, you can
use your registration code
to
register.