Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring Trigonometry (Video Interactive)

For Students 6th - 9th
This multimedia Learn Alberta math resource looks at how trigonometry is used in making sure that airplanes land safely at airports. The accompanying interactive component gives students practice in using trigonometric ratios, namely...
Handout
Other

Mathway: Trigonometry Formulas

For Students 9th - 10th Standards
Resource provides trigonometry formulas for unit circle, reciprocal identities, ratio identities, Pythagorean identities, sum and difference formulas, and double-angle formulas.
Activity
Northeast Parallel Architectures Center, Syracuse University

Npac Reu Program: Trigonometry Review

For Students 9th - 10th
The Northeast Parallel Architectures Center, Syracuse University, provides a review and tutorial site on trigonometry. The information is in-depth and can be accessed by clicking on the various links in the outline.
Activity
Curated OER

Trigonometry Realms

For Students 9th - 10th Standards
Excellent site reviewing the realms of Trigonometry. Topics Include the trig functions, graphs, right triangles and much more.
Activity
Clark University

Clark University: Dave's Short Trig Course: Applications of Trigonometry

For Students 9th - 10th
This Clark University site gives a brief historical perspective into how trigonometry is used in astronomy, geography, engineering, physics, and mathematics.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Right Angle Trigonometry

For Students 9th - 10th Standards
Fourteen problems present practice working with right angle trigonometry. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to check...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Right Triangles and Trigonometry

For Students 9th - 10th Standards
Twenty-five problems cover the topic of right triangles and trigonometry in different settings. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
Lesson Plan
TeachEngineering

Teach Engineering: Handheld Trigonometry

For Teachers 9th - 10th Standards
In addition to understanding the concept of similar right triangles and how they apply to trigonometric ratios, students explore a clinometer app, and discover how it can be used to test the mathematics underpinning trigonometry.
Unit Plan
CK-12 Foundation

Ck 12: Flex Book: Trigonometry

For Teachers 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Six-chapter book that introduces students to trigonometry. Topics include right angles, circular functions, trigonometric identities, vectors, and polar equations.
Activity
Lawrence Hall of Science

The Math Page: Trigonometry

For Students 9th - 10th Standards
Concepts in Trigonometry are explained and illustrated here by a member of the math department at Borough of Manhattan Community College.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Trigonometry Word Problems

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Use trigonometry to solve word problems.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Heron's Formula

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers Heron's Formula and problem solving using trigonometry.
Activity
Math Is Fun

Math Is Fun: Trigonometry

For Students 9th - 10th Standards
Students explore trigonometry concepts through this collection of definitions, lessons, examples problem-solving steps and strategies, and practice problems. Topics include solving triangles, trigonometric functions, theorems, and the...
Activity
Lawrence Hall of Science

The Math Page: Trigonometry: Trignometry of Right Triangles

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains the trigonometry of a right triangle, including finding the values of all six trig functions given a single value. There are example problems solved, problems for the student to...
Activity
Other

Gcse Answers' Easy Start Trigonometry

For Students 9th - 10th
Some basic questions dealing with everyday situations where trigonometry is needed to solve the problem. Click a button for the solutions.
Unit Plan
Khan Academy

Khan Academy: Trigonometry

For Students 9th - 10th
Reviews the basics of trigonometry and how its concepts are instrumental in computer graphics programming.
Activity
Texas Instruments

Texas Instruments: Basic Trigonometry

For Teachers 9th - 10th
Students will define basic terms relating to trigonometry and use trigonometric ratios.
Website
Other

Interactive Trigonometry

For Students 9th - 10th Standards
Resource contains interactive programs that can be manipulated and animation to help students grasp basic concepts in trigonometry.
Handout
Other

University of Cambridge: Spherical Trigonometry

For Students 9th - 10th
Very good site that acts as a tutorial/review site on Spherical Trigonometry. Many diagrams and formulas are included.
Activity
Texas Instruments

Texas Instruments: Basic Trigonometry Love or Leave It!!

For Teachers 9th - 10th
This activity has the teacher to create 3 triangles on Cabri Jr. on the TI-83 or TI-84. It will prove to students how trigonometry ratios are found. It will show to the students where the ratios are derived rather than just telling the...
Interactive
Mangahigh

Mangahigh: Shape: Use Trigonometry to Find Lengths

For Students 9th - 10th Standards
Use trigonometry tp solve for lengths of sides.
Interactive
Mangahigh

Mangahigh: Shape: Use Trigonometry to Find Angles

For Students 9th - 10th Standards
Use trigonometry to determie the angle measures.
Activity
Lawrence Hall of Science

The Math Page: Trigonometry: The Law of Sines

For Students 9th - 10th Standards
Work through an explanation of the law of sines, how it is used with an obtuse angle, and a proof of the law of sines. Great site for students studying trigonometry.
Interactive
Mangahigh

Mangahigh: Shape: Area of a Triangle Using Trigonometry

For Students 9th - 10th Standards
Teat your knowledge of determing the area of a triangle using trigonometry.

Other popular searches