[color=#1551b5]Submitted by Mr. Donald C. Albin Jr.[/color] Professional Educator [url]www.donaldalbin.99k.org[/url] Explore how the unit circle relates to right triangles and to trigonometric functions. [b]Directions[/b] [list] [*]Click on a check box. [/list]
[b]Questions to promote inquiry[/b] [list] [*]What patterns do you see? [*]What number appears most in the labeled points? Why? [*]Some angles are drawn in red; others in white? What is the significance of the different angles? [*]How do you read the sine and cosine off of the unit circle? [*]What "special" occurrence happens at 360°? [*]How do you translate between a unit circle and a trigonometric curve? What is the relationship? [/list]