1. Review of radian measure.
180 degrees = ____ radians = ½ revolution
Problem: Suppose a wheel 3 ft in diameter rolls through the angle Pi/3
radians. How far does it roll?

2. Definition of sine, cosine, and tangent functions
Starting at (1,0) on the unit circle and going x radians around the
circumference, you come to the point (cos(x), sin(x)) on the unit
circle.
tan(x) =
cos(13Pi/5) = _____
tan(23Pi) =

3. Graphs of sin, cos, and tan functions

4. Solving right triangles using sin, cos, and tan
Problem: A right triangle has a hypotenuse of 15 ft and one
acute angle of 19 degrees. Find its perimeter and area.

5. Common #5 (Weds)

6. Common #6 (Weds)

7. Common #11