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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

Area of Triangle Using Trigonometry

For Students 10th - 12th
In this trigonometry worksheet, learners determine the area of triangles using the trigonometry ratios of sine, cosine, and tangent. This one-page worksheet contains ten problems.
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Worksheet
Curated OER

Review of Trigonometry

For Students 9th - 11th
In this review of trigonometry activity, students determine the values of angels using sine, cosine, and tangent.  They determine arc length and find the coordinates of endpoints.  This two-page activity contains approximately 70 problems.
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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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Worksheet
Curated OER

Trigonometry

For Students 10th
For this geometry worksheet, 10th graders solve problems that are based on the right triangle trigonometry and the special right triangles. The three page worksheet contains twelve questions.  Answers are not included. 
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Lesson Plan
Curated OER

Trigonometry - Week 9

For Teachers 10th - 12th
In this trigonometry worksheet, pupils use the sum-to-product formula, and the law of sines and cosines to solve trigonometry problems. This two-page worksheet contains eight problems.
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Worksheet
Curated OER

Using Trigonometry to Find Area

For Students 11th - 12th
In this Algebra II/Trigonometry learning exercise, students use trigonometry to determine the area of a triangle or a parallelogram.  The one page learning exercise contains ten problems.  Answers are not provided. 
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Worksheet
Curated OER

Triangle and Circle Trigonometry

For Students 11th - 12th
In this Pre-calculus/Trigonometry worksheet, learners apply advanced triangle and circle trigonometry to solve application problems. The three page worksheet contains sixteen problems. Answers are not included.
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Worksheet
Curated OER

Trigonometry Ratios in Right Triangles

For Students 10th
In this trigonometry ratios in right triangles worksheet, 10th graders solve 6 different right triangle problems. First, they find the values of x and y in each triangle, rounding each to the nearest tenth. Then, students locate the...
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Worksheet
Curated OER

Easy Worksheet: Trigonometry

For Students 9th - 12th
For this trigonometry worksheet, students solve 4 short answer problems. Students find the secant, cosine, or tangent of the given angle shown in the diagram.
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Worksheet
Curated OER

Similar Right Triangles-Introductions to Trigonometry

For Students 9th - 10th
In this geometry worksheet, students examine similar right triangles as the basis for the foundation of trigonometry. Students define the basic trigonometric functions and use a calculator to find the trigonometric value of an angle. The...
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Worksheet
Curated OER

Trigonometry Review

For Students 11th - 12th
In this trigonometry instructional activity, learners solve trigonometric equations, prove trigonometric identities, and graph trigonometric functions. The four page instructional activity contains sixteen questions. Answers are not...
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Worksheet
Curated OER

Trigonometry Ratios in Right Triangles

For Students 10th
In this trigonometry ratios in right triangles worksheet, 10th graders solve 10 different trigonometric ratios that apply to right triangles. First, they define a trigonometric ratio and its three most common ratios, sine, cosine, and...
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Worksheet
Curated OER

8-5 Reteaching Worksheet. Using Trigonometry

For Students 11th - 12th
In this using trigonometry activity, learners solve story problems based on finding the angle of elevation and angle of depression. This two-page activity contains ten trigonometry angle problems.
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Lesson Plan
EngageNY

An Area Formula for Triangles

For Teachers 11th - 12th Standards
Use a triangle area formula that works when the height is unknown. The eighth installment in a 16-part series on trigonometry revisits the trigonometric triangle area formula that previously was shown to work with the acute triangles....
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Worksheet
Curated OER

Trigonometry

For Students 11th - 12th
In this trigonometry learning exercise, students find the missing angles for given triangles. They use the trigonometric ratios to solve the problems.
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Worksheet
Curated OER

Trigonometry Worksheet for Test 5

For Students 11th - 12th
In this trigonometry activity, students look for the answers to the problems to many functions and define the terms found there.
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Lesson Plan
Curated OER

Trigonometry Practice: Trigonometric Graphs #3

For Teachers 10th - 12th
In this Trigonometry Practice worksheet, students are asked to graph a variety of trigonometric functions.  A graphing calculator is required to complete these three pages.
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Worksheet
Curated OER

Trigonometry Practice Series #3

For Students 7th - 12th
For this trigonometry worksheet, students calculate the sum of the terms in an arithmetic and geometric series.  This two-page worksheet contains 5 multi-step problems.  Answers are provided at the bottom of the page.
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Worksheet
Curated OER

Trigonometry Triangles

For Students 11th
In this trig worksheet, 11th graders investigate the 6 trigonometry identities and their cofunctions. They use them to solve trig problems as related to right triangles. There are 5 questions with an answer key.
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Worksheet
Curated OER

Trig Cut Ups

For Students 9th - 11th
In this trigonometry learning exercise, students rearrange 16 squares to a form one large square in which all of the trig identities match up. There is an answer key.
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Lesson Plan
Curated OER

Algebra And Trigonometry - Week 3: Law of Sines

For Teachers 12th - Higher Ed
In this law of sines worksheet, students read story problems. They use both algebra and the law of sines and cosines to solve problems. This two page worksheet contains seven problems.
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Worksheet
Curated OER

Trigonometry Worksheet

For Students 11th - 12th
In this trigonometry worksheet, students determine the range of the given trigonometric functions.  The one page worksheet contains three problems.  Answers are provided. 
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Worksheet
Curated OER

Trigonometry

For Students 10th - 12th
In this right triangles worksheet, students use trigonometric ratios to determine the length of a side of a triangle or a missing angle measurement.  This two-page worksheet contains 20 problems.

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