## Unit Circle

Unit Circle
• Currently 5.0/5 Stars.
12259 views, 6 ratings - 00:38:57
Taught by MrA

### Meets NCTM Standards:

An introduction to the unit circle and unit circle trigonometry. How does traditional trigonometry apply to the unit circle? Also, several examples of finding values around the unit circle. This video gives an easy way to remember unit circle trig values. Also, there are resources to use on any unit circle problem.
• What is the unit circle?
• How do you memorize the values in the unit circle?
• Is there an easy way to remember values on the unit circle?
• How do you change between radians and degrees?
• How do you find sin, cos, and tan of values on the unit circle?
• Where can I find examples on unit circle trigonometry?
• What are special triangles?
Finally, a no-nonsense, "easy" way to understand the unit circle. Okay, so maybe the words "easy" and "unit circle" may never be said in the same sentence for you, but this lesson truly explains many trig / unit circle concepts in a way that is easy to remember. This lesson really is a stand-alone lesson when it comes to the unit circle. It includes much of what one should learn while including a couple of great resources, especially if you plan to continue on to Calculus. Many examples and applications round out a very complete and comprehensive lesson. If you're studying the unit circle, you do not want to miss this!
• Currently 5.0/5 Stars.
Reviewed by MathVids Staff on February 17, 2008.
nice video man, it really helped
• Currently 5.0/5 Stars.
Reviewed by sanchit on January 28, 2009.
Excellent teaching! I was really having a lot of trouble understanding the whole concept of the unit-circle but this made it so understandable. Really a superb job and thank you so much.
• Currently 5.0/5 Stars.
Reviewed by acegt on February 19, 2009.
It was a good video; It helped me a lot more than my math teacher.
• Currently 5.0/5 Stars.
Reviewed by ruggaards on April 09, 2009.
I love your lectures. I love the one you gave on fucntions and this is very easy to understand too and complete. Great job done. God bless you.
• Currently 5.0/5 Stars.
Reviewed by tamnaseh on September 23, 2010.
Excellent instructional tool. It is clear, concise and explains the concepts in a fashion that is easy to digest and retain.
• Currently 5.0/5 Stars.
Reviewed by ifloyd on February 26, 2012.