2.1 & 2.2

Trig Unit Circle Definition 1: http://youtu.be/4uglLG8thgU

Part 1 of Unit Circle definition for trigonometry, and shows how to find the ordered pairs for special angles on the unit circle.

Trig Unit Circle Definition 2: http://youtu.be/wwJwPTvZRL0

Part 2 of Unit Circle definition for trigonometry, and shows how to get the ordered pairs for special angles on the unit circle. 

Trig Circular Functions (Unit Circle Definition 3): http://youtu.be/B8Fz3wM5fb8

Part 3 of Unit Circle definition for trigonometry. Defines the Circular Functions, relating them to the Unit Circle Definitions and graphing. 

Click here for a series of videos on how to Graph Sine Functions. 

After you learn how to graph the sine function, then see the next series of videos for how to graph the cosine function.

Click here for a series of videos on how to Graph Cosine Functions.

Extra Help finding the 5 key points for the graph of sine and cosine

Key Points Video 1: http://youtu.be/YoMD6ScqIK4

Key Points Video 2: http://youtu.be/Z7uNo9VQbEw

Video Solutions for Graphing Handout (see attachment below): 

Part 1:This video shows how to graph these 4 trig functions from a Graphing Handout: y=2sinx, y=(1/2)sinx, y= - sinx, y = -2sinx: http://youtu.be/fWp-zKH5sKQ