1. 1.6 Trigonometric Functions Day 1

2. Vocab/Formulas Radian: length of the arc formed by an angle
another unit of angles other than degrees
Arc Length:
θ must be in radians
1 unit

3. Example 1: Convert radians to degrees or degrees to radians

4. Example 2: Solve for x if 0≤x≤2π and cos x = 0. 6
Example 2: Solve for x if 0≤x≤2π and cos x = 0.6. (Think about the range of answers…is there just one answer?)

5. Example 3: Find the arc length for with a radius of 5. a. ) in radians
Example 3: Find the arc length for with a radius of 5. a.) in radians. b.) in degrees

6. Vocab/Formulas

7. Example 4: Are the following functions even or odd?

8. Pg. 52 Quick Review 1-10 Exercises 1-10
Assignment
Pg. 52 Quick Review 1-10 Exercises 1-10