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Lesson Plan
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Curated OER

Unit Circle

For Teachers 11th - 12th
In this Pre-Calculus worksheet, students solve problems involving angles and the unit circle.  The four page worksheet contains a combination of twenty multiple choice and free response problems.  Answers are provided. 
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Worksheet
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Curated OER

Exercise Set 4.3: Unit Circle Trigonometry

For Students 9th - 12th
For this unit circle worksheet, students answer 90 short answer questions about the unit circle.  Kids sketch angles given a radian measure.  Students find the trigonometric values of various angles on the unit circle.
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Lesson Plan
Curated OER

Exercise Set 5.1: Trigonometric Functions of Real Numbers

For Teachers 10th - 12th
In this trig functions worksheet, students find the trig values of 46 problems.  Students find the trig values of various radian measures.  Students use trig properties to prove trig identities.
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Interactive
Curated OER

Method for Remembering the Coordinates of the Points in the First Quadrant on the Unit Circle

For Students 11th - Higher Ed
In this Unit Circle worksheet, students explore a method to help remember the coordinates of the points in the first quadrant on the unit circle.  Answers are provided as well as a completed unit circle.
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Worksheet
Curated OER

The Radian Walk

For Students 10th - 12th
Students play a game to learn angle measures in radians. In this precalculus/trigonometry activity, students play a game similar to a cake walk. When the music stops, which ever student is selected, names his/her coordinates and place on...
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Worksheet
Curated OER

Solve for the Arc Length Problems

For Students 11th - Higher Ed
In this arc length worksheet, students solve for the arc length for four angles.  Three of the angles are given in degrees while the other angle length is given in radians.  The solutions are not provided.
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Lesson Plan
Curated OER

Introducing Trigonometry

For Teachers 11th
Eleventh graders explore the three basic trigonometric functions. In this trigonometry/Algebra II lesson, 11th graders use GeoGebra and the unit circle to define the ratios of sides is a right triangles as they examine the full domain...