Unit Circle

Author

Miriam Santana-Valadez

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Precalculus: Trigonometry (Triangle and Circular Functions)

Level

9-12

Activity Time

50 Minutes

TI Calculator

TI-Nspire™ CX series

Resource Types

Lessons

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Unit Circle

Activity Overview

Students will use the unit circle to find the value of trigonometric functions of various angles.

Students will find connections between the unit circle and the trigonometric functions sine and cosine.

Before the Activity

Teacher preparation
Download the attached .Doc documents and the TI_Nspire document. You will need to copy the .tns document to students' handheld before the exploration.
Read activities in advance

During the Activity

Classroom management tips
Be prepared to guide students during the exploration. Encourage students to look for patterns, make connections, and share their findings during the exploration.

After the Activity

Assessment and evaluation:

Make students write down their findings and share their discoveries with the rest of the group.

The teacher can formally assess the students' writings.

The teacher can informally assess students' participation during the group discussion.

Activity extensions:

Students can convert angle measures between degrees and radians.

Students can find the trigonometric functions on the unit circle.

Download Files

Download All Files (ZIP)

Before the Activity Files

Teacher Notes PDF TI-Nspire Activity TNS TI-Nspire Animation TNS

Author

Miriam Santana-Valadez

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Precalculus: Trigonometry (Triangle and Circular Functions)

Level

9-12

Activity Time

50 Minutes

TI Calculator

TI-Nspire™ CX series

Resource Types

Lessons

Report an Issue

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Unit Circle

Unit Circle

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