Activity
Curated OER

Zona Land: Overlapped Graph of the Six Trig Functions

For Students 9th - 10th Standards
An overview of the six trig functions and their graphs. The site is a little difficult to navigate but is good for finding a graph of a trig function.
Handout
Wolfram Research

Wolfram Math World: Trigonometric Functions

For Students 9th - 10th Standards
This site provides a listing of the trigonometric functions and their inverses. Their notation is also addressed along with links to each of the fundamental trigonometric functions.
Activity
Wolfram Research

Wolfram Math World: Trigonometric Functions

For Students 9th - 10th Standards
This site from MathWorld.com is a site full of links to very extensive documentation on the trigonometric functions.
Activity
Wolfram Research

Wolfram Math World: Trigonometry

For Students 9th - 10th Standards
This site provides a good definition of trigonometry. Includes many links to key terms and many more to related terms. This site may be used as a refresher for students who have finished the course, or students currently studying the...
Activity
Other

Gobierno De Navarra: Familias De Funciones Elementales

For Students 9th - 10th Standards
Visualize the different kinds of functions with these interactive activities.
PPT
Sophia Learning

Sophia: Trigonometric Values From a Calculator: Lesson 2

For Students 9th - 10th
This lesson will illustrate how to use a calculator to find the value of a trigonometric value. It is 2 of 5 in the series titled "Trigonometric Values from a Calculator."
Unit Plan
Sophia Learning

Sophia: Trigonometric Values From a Calculator: Lesson 5

For Students 9th - 10th
This lesson will illustrate how to use a calculator to find the value of a trigonometric value. It is 5 of 5 in the series titled "Trigonometric Values from a Calculator."
Whiteboard
ClassFlow

Class Flow: Advanced Trigonometry

For Teachers 9th - 10th
[Free Registration/Login Required] Students describe, analyze, and reason angles being as small or as large as they can imagine. Using trigonometrical ratios, this is a fun exercise in understanding how to examine the perfect graph.
Whiteboard
ClassFlow

Class Flow: Basic Right Triangle Trigonometry

For Teachers 9th - 10th Standards
[Free Registration/Login Required] This flipchart shows the basic relationships between trig functions and the sides and angles of a right triangle.
eBook
Math Planet

Math Planet: Pre Algebra: Trigonometry

For Students 9th - 10th
Learn about trigonometry by viewing examples and a video lesson.
Activity
Interactive Mathematics

Interactive Mathematics: Trigonometric Functions

For Students 9th - 10th Standards
This is a excellent review lesson about trigonometric functions of any angle. Good examples here.
Graphic
Other

Gobierno De Navarra: Trigonometria

For Students 9th - 10th
Use these interactive activities as a supplementary material to visualize some basic concept of Trigonometry.
Graphic
Calculator Soup

Calculator Soup: Trigonometric Function Graphs F(x)

For Students 9th - 10th Standards
Images of trigonometric function graphs.

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