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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 Plan7:34
TED-Ed

Pixar: The Math Behind the Movies

For Teachers 8th - 12th Standards
When will we ever use this? A Pixar movie maker explains to students how math is used in the creation of animated films. The movie maker discusses the importance of coordinate planes, transformations and translations, and trigonometry.  
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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 instructional activity, learners 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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Lesson Plan
Curated OER

Trigonometry

For Teachers 10th - 12th
Students investigate angles converting them from radians to degrees. In this trigonometry instructional activity, students work with angles and the six different trig ratios. They graph the functions representing each trig functions and...
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Worksheet
Curated OER

Trigonometry Practice Series #3

For Students 7th - 12th
In this trigonometry learning exercise, students calculate the sum of the terms in an arithmetic and geometric series.  This two-page learning exercise 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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Handout
2
2
Curated OER

Trigonometry Review Sheet

For Students 9th - 12th Standards
Get the trig facts fast, and use the review sheet as a guide in the classroom. The worksheet also includes a document version if any changes are needed to the problems. The information includes a small degree/radian chart, a graph of all...
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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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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...
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Lesson Plan
Curated OER

Exploration of Trigonometry

For Teachers 6th - 12th Standards
Learners explore how changing an angle in a triangle changes the ratio of the sides. They also explore how changing the sides can make changes to an angle in a triangle. Finally, they determine how two different pairs of sides, in the...
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Worksheet
Curated OER

Trigonometry

For Students 10th - 12th
In this right triangles worksheet, learners 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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Worksheet
Curated OER

Trigonometry Homework

For Students 10th - 12th
In this right angles worksheet, students use trigonometric ratios to determine the length of a missing side or a missing angle of a right triangle.  This two-page worksheet contains 19 problems.
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Worksheet
Center for Innovation in Mathematics Teaching

Trigonometry

For Students 9th - 12th Standards
This unit covers the basic trigonometry including understanding radians, how to convert between radians and degrees, the area of a circle subtended by an angle, basic properties and graphs of sine, cosine, tangent, and solving...
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Worksheet
Curated OER

Trigonometry Puzzle

For Students 8th - 12th
In this trigonometry worksheet, students solve for the degree or the ratio in 48 questions using the 6 basic trigonometric functions. 
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Activity
101 Questions

Laying Sod

For Students 9th - 12th Standards
Lay out a firm understanding of trigonometry. Scholars watch a video recording of a worker laying sod on a lawn. Given the dimensions of each piece of sod and the lawn, they determine how many pieces of sod are necessary. Trigonometry...
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Unit Plan
Radford University

Right Triangle Applications: Lesson 3

For Students 9th - 12th Standards
Find the connection between trigonometry and tornadoes. Pairs investigate a tornado in Joplin, Mo., and use trigonometry to find its size. The pupils determine the path of the tornado and find the distance needed to travel to help...

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