Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Composition of Trig Functions and Their Inverses

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] How to Compose a trigonometric function.
Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring Trig Ratios

For Students 6th - 8th
Investigate the cosine, sine, and tangent ratios of trigonometry using this interactive Learn Alberta math resource. Students will use these ratios to determine a right triangle's unknown side or angle. Be sure to follow the link to the...
Interactive
Curated OER

Trig Function Point Definitions

For Students 9th - 10th Standards
A java applet that relates the unit circle to the graphs of the six trigonometric functions, complete with the values of the functions.
Activity
Texas Instruments

Texas Instruments: Derivatives (Trig Functions)

For Teachers 9th - 10th
This learning check activity will test the students knowledge of the derivatives of the 6 trigonometric functions.
Activity
Analyze Math

Analyze Math: Graphs of Basic Trigonometric Functions

For Students 9th - 10th Standards
The trigonometry tutorial explores the graphs of the basic trigonometric functions. The interactive tutorial investigates the range, domain, and asymptotes of the functions. The activity has several examples with detailed solutions.
Activity
Interactive Mathematics

Interactive Mathematics: Values of Trigonometric Functions

For Students 9th - 10th Standards
How do you determine the value f a trig function? Find the answer here. This tutorial shows how to find trig values from 45-45-90 and 30-60-90 triangles, as well as how to use the calculator to find both trig values and angle measures.
Website
Other

Inverse Trigonometric Functions [Pdf]

For Students 9th - 10th Standards
This is a ten page selection from a math textbook that highlights the concept of inverse trigonometric functions. The book provides real world examples, worked out practice problems and numerous problems for students to attempt on their...
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Oswego City School District

Regents Prep: Applications of Trigonometric Graphs

For Students 9th - 10th Standards
Students can use this site to practice questions dealing with trigonometric graphs. Students are challenged with multiple real-world problems and after solving those problems they can check their solution online.
Activity
Windstream

Ojk World of Math: Relationships Between the Functions

For Students 9th - 10th Standards
This tutorial discusses relationships among all the trig identities. Examples are given on how to apply them to simplify trig expressions and prove identities.
Website
Oswego City School District

Regents Exam Prep Center: Graphs of the Inverse Trig Functions

For Students 9th - 10th Standards
This site reviews basic information on inverse functions and inverse notation. Graphs of inverse trig functions are shared and discussed.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Trigonometric Ratios

For Teachers 9th - 10th
A collection of lessons and practice exercises on trigonometric ratios. Students will learn how to solve for an angle and for a side, and to apply trigonometry in setting up and solving word problems.
Graphic
William Mueller

William Mueller: Families of Functions

For Students 9th - 10th Standards
Meet the Function Family! Each member of the family has examples of their graphs and descriptions of the types of real-world situation that produce those graphs.
Interactive
Calculator Soup

Calculator Soup: Inverse Trigonometric Functions Calculator

For Students 9th - 10th Standards
This calculator will find the inverse trigonometric values for principal values in the ranges listed in the table.
Activity
Other

Karl's Calculus Tutor: Trigonometric Functions

For Students 9th - 10th Standards
Great application of trig and introduction to the trig functions. Also found here are the Law of Sines and Law of Cosines as well as other trig topics to review.
Handout
Purple Math

Purplemath: Inverses of Trigonometric Ratios

For Students 9th - 10th Standards
You know that you can take side lengths and find trig ratios, and you know you can find trig ratios (in your calculator) for angles. What is missing is a way to go from the ratios back to the original angles. And that is what "inverse...
Activity
Hofstra University

Hofstra University: Modeling the Sine Function

For Students 9th - 10th
Extensive information on the sine function and links to the other trigonometric functions. The site includes definitions of properties of the sine function and various examples involving them. Also includes a number of real world...
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Product to Sum Formulas for Sine and Cosine

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Examples of how to transform a product of trigonometric functions into a sum of trigonometric functions
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Composition of Inverse Reciprocal Trig Functions

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Define inverse reciprocal of trigonometric functions.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Inverse Trigonometric Functions

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers the inverses of all six trig functions.
Activity
Math Medics

S.o.s. Math: Table of Trigonometric Identities

For Students 9th - 10th Standards
This tutorial highlights the numerous trigonometric identites (but does not define the basic trigonometric functions).
Graphic
Math Medics

S.o.s. Math: Hyperbolic Functions

For Students 9th - 10th Standards
This math lesson gives formulas for the hyperbolic trigonometric functions, a very most important property of their version of the Pythagorean Theorem, and it's verification, and many helpful visual aides.
Activity
Interactive Mathematics

Interactive Mathematics: Trigonometric Functions

For Students 9th - 10th
Just about everything you need to know about trigonometry can be found here. Interactive examples and demonstrations help to enhance the lessons. Although not required, the tutorial uses Live Math and Scientific Notebook.
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Other

Mecca: Review for Trigonometric Functions

For Students 9th - 10th Standards
A page of review problems on trigonometric functions. Answers are supplied.
Handout
Math Open Reference

Math Open Reference: Derivatives of the Trigonometric Functions

For Students 9th - 10th
Gain an understanding of the derivatives of the six common trigonometric functions with this helpful reference tool. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.