(Last Updated On: March 21, 2020)

### Lesson Objectives

- Learn Definition and History of Trigonometry
- Know Some Introductory Concepts
- Define angles and how they are measured
- Changing Degree Measure to Radian Measure
- Changing Radian Measure to Degree Measure
- Solve problems involving the Sector Angle or Arc Length
- Solve problems involving Area of a Sector of a Cirle
- Solve problems involving Angular Velocity

### LESSON OUTLINE:

- Definition
- History of Trigonometry
- Angles in Standard Position
- Positive and Negative Angles
- Measuring Angles
- Changing from Degree to Radian and vice versa
- Degree Minute and seconds
- Measuring Arc Length
- Finding the sector angle
- Area of a sector of a circle
- Angular Velocity
- Seatwork
- Homework

### Angles and Measurement Lecture

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