Proof of Identity

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Algebra II: Trigonometric Functions

Level

9-12

Activity Time

45 Minutes

TI Calculator

TI-84 series

Applications

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

Resource Types

Lessons

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Proof of Identity

Activity Overview

Students use graphs to verify the reciprocal identities. They then use the calculator's manual graph manipulation feature to discover the negative angle, cofunction, and Pythagorean trigonometric identities.

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Teacher Notes PDF

Student Files

Student Activity DOC Student Activity PDF COFUNCT.8xv NEGANGLE.8xv

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Algebra II: Trigonometric Functions

Level

9-12

Activity Time

45 Minutes

TI Calculator

TI-84 series

Applications

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

Resource Types

Lessons

Report an Issue

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Proof of Identity

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

Proof of Identity

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

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