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# 4.1 - PowerPoint PPT Presentation

4.1. Radian and Degree Measure. Quick Review. Quick Review Solutions. What you’ll learn about. The Problem of Angular Measure How to use Degree and Radian measure Circular Arc Length Angular and Linear Motion … and why Angles are the domain elements of the trigonometric functions.

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## PowerPoint Slideshow about '4.1' - delilah

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Presentation Transcript

### 4.1

• The Problem of Angular Measure
• How to use Degree and Radian measure
• Circular Arc Length
• Angular and Linear Motion

… and why

Angles are the domain elements of the trigonometric functions.

A central angle of a circle has measure 1 radian if it intercepts an arc with the same length as the radius.