Handout
Purple Math

Purplemath: Trigonometric Functions and Their Graphs

For Students 10th - 12th Standards
Explains the horizontal forms of trigonometric graphs by showing how they relate to the circular graphs.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Tf Trig Functions and the Unit Circle

For Teachers 9th - 10th Standards
The purpose of this task is to help students make the connection between the graphs of sin t and cos t and the x and y coordinates of points moving around the unit circle. Students have to match coordinates of points on the graph with...
Lesson Plan
Alabama Learning Exchange

Alex: Let's Make a Pie

For Teachers 9th - 10th
The students will survey their classmates and construct circle graphs to display their results. Students will produce circle graphs using a compass and protractor, and then with an interactive computer program.This lesson plan was...
eBook
CK-12 Foundation

Ck 12: Algebra Ii: 4.5 Graphing Sine and Cosine

For Students 9th - 10th Standards
This section explores the graphs of sine and cosine functions. It investigates how these graphs are related to coordinates for different angles in a unit circle.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Tf, G Co, Trigonometric Identities and Rigid Motions

For Teachers 9th - 10th Standards
The purpose of this task is to apply translations and reflections to the graphs of the functions f(x)=cos x and g(x)=sin x in order to derive some trigonometric identities. There are also rotations 180 degrees about points on the x-axis...
Activity
Shodor Education Foundation

Shodor Interactivate: Pie Chart

For Teachers 6th - 8th
Students investigate how a pie chart can be used to display data graphically. The resource includes the activity and instructor resources.

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