The inflection point, the point where the second derivative is zero, is the focus of a video  that works through a problem where it is not obvious to see the roots of a function. The solution to the problem requires using Newton's method to find the roots.

Concepts

inflection, inflection points, derivatives, trigonometric functions, graphing trigonometric functions, roots

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Additional Tags

math

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Instructional Ideas

• Conduct a quick review of the Product Rule for finding derivatives
• Provide simpler problems to have the AP Calculus class work to grasp the concept

Classroom Considerations

• The class should know Newton's Method

• This video is hosted on YouTube

Pros

• The resource works a problem that is designed for pupils to work at the same time
• The presenter has previously worked the problem so has everything ready

Cons

• Due to the length of the work needed for the problem, it is not possible to see all the work on the screen