Handout
Johan Claeys

Math Abundance: Inverse Trigonometric Functions = Cyclometric Functions

For Students 9th - 10th Standards
Explains the inverse trigonometric functions using examples.
Unit Plan
Other

Chat: Inverse Trig Functions [Pdf]

For Students 9th - 10th Standards
This site is a presentation that discusses how to graph inverse trigonometric functions. Topics included on the presentation are inverse sine, cosine and tangent functions.
Unit Plan
Windstream

Ojk's Precalculus Study Page: Inverse Trig Functions

For Students 9th - 10th Standards
An introduction to the inverse trigonometric functions, concentrating on the domain restrictions, which are explained graphically. Several examples and exercises with solutions are included, as well as a quiz.
Activity
Texas Instruments

Texas Instruments: Geometric Representation of Trig Functions

For Teachers 9th - 10th Standards
Using similar triangles, a relationship is established between the six trigonometric functions of an angle and simple line segments. These relationships are then confirmed using line segment measurement capabilities of the graphing...
Unit Plan
Northeast Parallel Architectures Center, Syracuse University

Npac Reu Program: Derivatives of Trigonometric Functions

For Students 11th - 12th
This Northeast Parallel Architectures Center at Syracuse University site is a table of contents for information and examples on derivatives of trigonometric functions.
Handout
University College London

University College London: Hyperbolic and Trigonometric Functions

For Students 9th - 10th Standards
This site has information relating the hyperbolic and trigonometric functions.
Handout
Northeast Parallel Architectures Center, Syracuse University

Npac Reu Program: Trig Function Graphs

For Students 9th - 10th Standards
Northeast Parallel Architectures Center provides a quick overview of the graphs of the six trigonometric functions, with angles measured in radians.
Unknown Type
McGraw Hill

Glencoe: Online Study Tools: Quiz on Graphs of Trigonometric Functions

For Students 9th - 10th Standards
Students show comprehension of advanced mathematical concepts in Trigonometry. The online quiz assesses the scholars on the graphs of trigonometric functions.
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
Iowa State University

Inverse Trigonometric Functions

For Students 9th - 10th Standards
This trigonometry tutorial features an explanation of how the inverse of all six of the trigonometric functions are obtained--and includes a Java applet for further reinforcement of the concept.
Interactive
Calculator Soup

Calculator Soup: Trigonometric Functions Calculator

For Students 9th - 10th Standards
This online trigonometry calculator will calculate the sine, cosine, tangent, cotangent, secant and cosecant of angle values entered in degrees or radians. The trigonometric functions are also known as the circular functions.
Interactive
Calculator Soup

Calculator Soup: Trigonometric Functions Calculator

For Students 9th - 10th Standards
This online trigonometry calculator will calculate the sine, cosine, tangent, cotangent, secant and cosecant of values. The trigonometric functions are also known as the circular 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.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Tf Properties of Trigonometric Functions

For Teachers 9th - 10th Standards
The goal of this task is to use the unit circle and rigid transformations in order to establish some fundamental trigonometric function identities. Aligns with F-TF.A.2 and F-TF.A.4.
Website
eFunda

Efunda: Trigonometric Functions

For Students 9th - 10th Standards
Site reviews trigonometric functions and inverse trigonometric functions. Formulas and graphs for both groups of functions are also shared.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Graphing Trigonometric Functions

For Students 9th - 10th Standards
Fourteen problems offer practice graphing trigonometric functions. 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 each...
Unknown Type
McGraw Hill

Glencoe Mathematics: Quiz on Trigonometric Functions on the Unit Circle

For Students 9th - 10th Standards
Learners demonstrate comprehension of advanced mathematical concepts in Trigonometry. The questions check understanding on the topic of trigonometric functions on the unit circle.
Unit Plan
Texas Education Agency

Texas Gateway: Applying Trigonometric Ratios

For Students 9th - 10th
Given problem situations involving similar figures, the student will apply and justify triangle similarity relationships such as trigonometric ratios.
Activity
Clark University

Clark University: Dave's Short Trig Course: Trigonometric Functions

For Students 9th - 10th
The Clark University site shows and explains the graphs of the six trigonometric functions. It explains how to find an arbitrary angle measurement using trig. Also, it explains that sine and cosine functions are complementary.
Unit Plan
CK-12 Foundation

Ck 12: Composition of Inverse Reciprocal Trig Functions

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] On this site students learn about the composition of inverse trigonometric functions. Students read about inverse reciprocal functions, watch a video about the topic...
Activity
Lawrence Hall of Science

The Math Page: An Approach to Calculus: Derivatives of Inverse Trig Fx

For Students 9th - 10th
Here is a site that clearly and thoroughly explains how to find the derivatives of the six inverse trigonometric functions. There are example problems solved, problems for the student to attempt, and answers to the student problems....
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Trigonometric Graphing

For Students 9th - 10th Standards
Explore the amplitude, period, and phase shift by examining the graphs of various trigonometric functions.
eBook
CK-12 Foundation

Ck 12: Algebra Ii: 4.2 Right Triangle Trig Extended to Circles With a Model

For Students 9th - 10th Standards
This section explores the relationship between right triangles, circles, and trigonometry. It investigates how a right triangle that is set inside a circle and rotates around the circle is connected to trigonometric functions and their...
Activity
Math Medics

S.o.s. Math: Trigonometric Functions

For Students 9th - 10th Standards
Introductory lesson to trigonometric functions. Includes definitions, properties, graphs, and a wide variety of examples and practice exercises.