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Precalculus: Trigonometric Functions Classroom ActivitiesDownload
TrigProofs_2

Trig Proofs

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Students perform trigonometric proofs and verifying each proof through graphing.
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Trig Ratios

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Students will use Cabri™ Jr. to discover the relationship between the trigonometric functions: sine, cosine and tangent and the side length ratios of a right triangle.
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9733_Step_3

Find That Sine

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Sinusoidal regression is used to determine equations to model various data sets and the equations are used to make inferences.
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9848_Step_1

Trigonometric Identities

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Students will verify, prove, and explore trigonometric identities symbolically, numerically, and graphically.
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12434_Step_1

Trigonometric Patterns

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Students use the unit circle to examine patterns in the six trigonometric functions.
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Unit Circle

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Students discover the relationship between the trigonometric functions sine, cosine, and tangent and the side length ratios of a right triangle.
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9608_Step_1

Vertical and Phase Shifts

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Students explore vertical and phase shifts of sine and cosine functions.
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12556_Step_1

What's the Difference?

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The angle difference formula for cosine is explored.
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