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Trig Tour



This manipulative provides opportunities to:

  • Explore a graphical reperesntation of sine, cosine, or tangent while simultaneously viewing a dynamic color-coded graph of the unit circle and a table of related values

  • Switch units between degrees or radians

  • Add features to the graphs, including special angles, labels, and a background grid

PhET also provides translated versions of the simulation in multiple languages, teacher created activities, and with a free account you can access their teaching resources.

What are your thoughts on this virtual manipulative? Do you have experience using it in your classroom? Please support others by rating this virtual manipulative and sharing feedback in the comments section below.

Simulation by PhET Interactive Simulations, University of Colorado Boulder, licensed under CC-BY-4.0 (

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