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Demonstrate the calculator keystrokes necessary for finding a measure of an angle using trigonometry. A straight forward lesson explains how to calculate an angle measure given a sine, cosine, or tangent ratio. The narrator discusses rounding as well.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Post the video as a resource for absent pupils
- Pause the video to allow pupils to make calculations before the instructor shows the correct answer
Classroom Considerations
- Builds on an understanding of sine, cosine, and tangent ratios
- This video is hosted on YouTube
Pros
- Disable YouTube comments to ensure there is nothing inappropriate
- Explanations apply to different variations of calculators
Cons
- None