Video of the Day
For many folks it is time of the year in which you start learning the unit circle for trig.
This video teaches a trick in which you use your hand to help you remember quadrant 1 of the unit circle.
In this video you will learn
How to use your hand to remember the unit circle
Help in memorizing the unit circle
Cosine and Sine for 30 degrees
Cosine and Sine for 45 degrees
Cosine and Sine for 60 degrees
For a diagram and pictures of this trick to learn the Unit Circle see