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Worksheet
Curated OER

Four Coterminal Angle Problems

For Students 11th - Higher Ed
In this coterminal angle worksheet, students find two positive and two negative coterminal angles for the provided degree measure.  The solutions are not provided.
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Worksheet
Curated OER

Coterminal angles and Reference Angles

For Students 10th - 12th
In this calculus worksheet, students identify terminal and coterminal angles using the unit circle. They identify coterminal angles between 0and 2pi and between 0 and 360 degrees. There are 34 questions with an answer key.
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Instructional Video24:21
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Flipped Math

Intro to Trigonometry

For Students 9th - 12th Standards
Expand trigonometric ratios beyond right triangles. Pupils start with a review of trigonometric ratios and then take a look at angles in standard position to determine their measurements. Scholars discover how to find coterminal angles...
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Lesson Plan
Curated OER

Reference Angles

For Teachers 9th - 12th Standards
Learn how to measure the reference angles in degrees and radians.  Students find reference angles that are coterminal with a given angle.
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Worksheet
Curated OER

Angle Measurement Exercises

For Students 11th - Higher Ed
In this math instructional activity, students find the measurements of the angles in degrees. Then they determine which ones are in Standard Position.
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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.  Students sketch angles given a radian measure.  Students find the trigonometric values of various angles on the unit circle.
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Worksheet
Curated OER

Ten Trigonometric Review Problems - Calculator Required

For Students 11th - Higher Ed
In this trigonometry review worksheet, students convert between radians and degrees, sketch angles, evaluate trig. functions, solve for missing angles, and find the functions that satisfy the given conditions.
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Worksheet
Curated OER

MT-A141 PreCalculus: Worksheet 6.1

For Students 10th - 11th
In this precalculus worksheet, students complete a table of common angle equivalences and compare them to radians. Using their calculator they examine the difference between angles in degrees and the answer in radians. Students...
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Worksheet
Curated OER

Defining the Circular Functions

For Students 10th - 12th
In this calculus activity, students solve values involving trigs and the unit circle. They identify graphs of sine, cosine and tangents. They solve for angles using the unit circle and the calculator.