Graphically find the derivative of sin(x). Using the interactive, pupils graph the slope of the tangent line to the sine function. Class members use the resulting graph to determine the derivative of the sine function. They verify their conclusions through the use of the definition of a derivative.

Concepts

trigonometric functions, derivatives, sine, differential calculus, cosine, graphing trigonometric functions, trigonometric identities, trigonometric

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Additional Tags

math

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Instructional Ideas

• Use the same method to find the derivatives of other trigonometric function

Classroom Considerations

• Requires the user to sign up for a free CK-12 account
• Individuals need to know the identities for trigonometric sums

Pros

• Links to another source on the definition of derivatives
• Allows users to view the correct answer

Cons

• None