Education Technology

What's the Trig?

Subject Area
Math: Geometry: Triangles
Level
9-12
Activity Time
50 Minutes
Software
TI Connect™
TI Calculator
TI-89 / TI-89 Titanium
Resource Types
Lessons

What's the Trig?

Activity Overview

Students will be introduced to right triangle trigonometry. They will use the TI-89 and Geometer's Sketchpad to construct a right triangle and calculate sin, cosine, and tangent of various acute angles. (Topic - Right Triangle Trigonometry)

Before the Activity

Students will be introduced to right triangle trigonometry. They will use the TI-89 and Geometer's Sketchpad to construct a right triangle and calculate sin, cosine, and tangent of various acute angles. (Topic - Right Triangle Trigonometry)

During the Activity

Students will use the TI-89 and Geometer's Sketchpad to construct and analyze the trigonometry of right triangles. This activity can be teacher directed or discovery.

After the Activity

Review student answers:

  • As a class, discuss questions that appeared to be more challenging
  • Re-teach concepts as necessary
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    Subject Area
    Math: Geometry: Triangles
    Level
    9-12
    Activity Time
    50 Minutes
    Software
    TI Connect™
    TI Calculator
    TI-89 / TI-89 Titanium
    Resource Types
    Lessons
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