Trigonometric Ratios

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Algebra I: Simplifying Rational Expressions

Level

9-12

Activity Time

60 Minutes

Software

TI Connect™ CE

TI Calculator

TI-84 series

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Lessons

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Trigonometric Ratios

Activity Overview

Students discover the trigonometric ratios through measuring the side lengths of similar triangles and calculating their ratios. The formal definitions of the sine, cosine, and tangent or an angle are presented and applied to find the missing side lengths.

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Student Activity DOC Student Activity PDF Calc File 1 Calc File 2 Calc File 3

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Algebra I: Simplifying Rational Expressions

Level

9-12

Activity Time

60 Minutes

Software

TI Connect™ CE

TI Calculator

TI-84 series

Applications

Resource Types

Lessons

Report an Issue

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Trigonometric Ratios

Cabri™ Jr. for TI-83 Plus and TI-84 Plus

Cabri™ Jr. for TI-84 Plus C Silver Edition

Cabri™ Jr. for TI-84 Plus CE

Trigonometric Ratios

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Cabri™ Jr. for TI-84 Plus C Silver Edition

Cabri™ Jr. for TI-84 Plus CE

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