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Precalculus: Trigonometric Laws and Identities Classroom ActivitiesDownload
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Ain't No River Wide Enough

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Students simulate the process a surveyor would use to measure the width of a river by measuring length on one side of the river and angles formed by various reference points.
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    TI-84 Plus CE
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    TI-84 Plus C Silver Edition
  • TI-84 Plus Silver Edition
  • TI-84 Plus
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Getting Triggy With It

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Students systematically explore the effect of the coefficients on the graph of sine or cosine functions.
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    TI-84 Plus CE
  • ax-icon-color-device
    TI-84 Plus C Silver Edition
  • TI-84 Plus Silver Edition
  • TI-84 Plus
Download9,228