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This Double Angle Identities: Ferris Wheel interactive also includes:
- Double Angle Identities
- Student Reference
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Use a Ferris wheel to soar to new heights of understanding on double angle identities. Here is an interactive that applies an example of a Ferris wheel to show how doubling the angle does not double the value of a trigonometric ratio. This leads to a set of challenge questions that result in the double angle identities.
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Instructional Ideas
- Have learners use the interactive before introducing the double angle identities in class
Classroom Considerations
- Requires a free account set up at CK-12
- Pupils need to have knowledge of trigonometric ratios
Pros
- Interactive is easy to use
- Provides instant feedback to challenge questions
Cons
- None