Education Technology
Precalculus: Trigonometric Functions Classroom ActivitiesDownload
TrigProofs_2

Trig Proofs

Students perform trigonometric proofs and verifying each proof through graphing.
  • ax-icon-color-device
    TI-84 Plus CE
  • ax-icon-color-device
    TI-84 Plus C Silver Edition
  • TI-84 Plus Silver Edition
  • TI-84 Plus
Download9,323
hero

Trig Ratios - IB

In this activity, 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.

  • ax-icon-color-device
    TI-84 Plus CE
  • ax-icon-color-device
    TI-84 Plus C Silver Edition
  • TI-84 Plus Silver Edition
  • TI-84 Plus
Download9,815

Find That Sine - IB

Sinusoidal regression is used to determine equations to model various data sets and the equations are used to make inferences.
  • ax-icon-color-device
    TI-84 Plus CE
  • ax-icon-color-device
    TI-84 Plus C Silver Edition
  • TI-84 Plus Silver Edition
  • TI-84 Plus
Download8,827
9848_Step_1

Trigonometric Identities

Students will verify, prove, and explore trigonometric identities symbolically, numerically, and graphically.
  • ax-icon-color-device
    TI-84 Plus CE
  • ax-icon-color-device
    TI-84 Plus C Silver Edition
  • TI-84 Plus Silver Edition
  • TI-84 Plus
Download9,804

Trigonometric Patterns

Updated on

Students use the unit circle to examine patterns in the six trigonometric functions.
  • ax-icon-color-device
    TI-84 Plus CE
  • TI-84 Plus Silver Edition
  • TI-84 Plus
Download10,008
precalc_unit_circle_01

Unit Circle

Students discover the relationship between the trigonometric functions sine, cosine, and tangent and the side length ratios of a right triangle.
  • ax-icon-color-device
    TI-84 Plus CE
  • ax-icon-color-device
    TI-84 Plus C Silver Edition
  • TI-84 Plus Silver Edition
  • TI-84 Plus
Download9,422
9608_Step_1

Vertical and Phase Shifts

Students explore vertical and phase shifts of sine and cosine functions.
  • ax-icon-color-device
    TI-84 Plus CE
  • ax-icon-color-device
    TI-84 Plus C Silver Edition
  • TI-84 Plus Silver Edition
  • TI-84 Plus
Download9,462
12556_Step_1

What's the Difference?

The angle difference formula for cosine is explored.
  • ax-icon-color-device
    TI-84 Plus CE
  • ax-icon-color-device
    TI-84 Plus C Silver Edition
  • TI-84 Plus Silver Edition
  • TI-84 Plus
Download8,634