Why logarithms are your friends.....

This next link is to Interactive Unit Circle. It demonstrates why sine and cosine graph the way they do.

Radians Refresher

If you are looking for a good review of radians and unit circle, here is the Khan Academy link you might find useful. Unit Circle with Radians

Trig Games

I've been trying persistently to add asterisks to the links for you to try but my laptop is being stubborn. One of the games you should try is the trig flash cards. You can choose to work with degrees or radians. I wouldn't choose the seccnat, cotangent or cosecant options until after we explain them in class.