Website
Interactive Mathematics

Interactive Mathematics: The Inverse Trigonometric Functions

For Students 9th - 10th Standards
The site reviews information on inverse trigonometric functions. The main focus of the site is graphing inverse trigonometric functions including arccos, arcsin, arctan, arcsec, arccsc, and arccot. Exercises are included.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Six Trigonometric Functions

For Students 9th - 10th
The mathematics session investigates the six trigonometric functions and reciprocal functions. The tutorial consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes the Greek...
Handout
Northeast Parallel Architectures Center, Syracuse University

Npac Reu Program: Trigonometric Functions

For Students 9th - 10th Standards
This Northeast Parallel Architectures Center of Syracuse University site offers a quick overview of the six trigonometric functions from the standpoint of the unit circle.
Unit Plan
Cuemath

Cuemath: Domain and Range of a Function

For Students 9th - 10th Standards
Explore the world of domain and range of a function in this mini-lesson. Learn how to find the domain and range of a graph, trigonometric functions, exponential functions, and domain and range equation. Includes examples and practice...
Handout
Cuemath

Cuemath: Cosecant, Secant and Cotangent Functions

For Students 9th - 10th Standards
Features graphs of the trigonometric functions cosecant, secant, and cotangent. Includes solved examples and practice questions.
Activity
Wolfram Research

Wolfram Math World: Inverse Trigonometric Functions

For Students 9th - 10th Standards
A site on inverse trigonometric functions. Contains a definition, a chart showing functions and their domains, formulas, and many links.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Inverse Trigonometric Functions

For Students 9th - 10th Standards
Sixteen problems present a variety of practice working with inverse 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...
Handout
Purple Math

Purplemath: Trigonometric Functions and Their Graphs

For Students 10th - 12th Standards
Explains the horizontal forms of trigonometric graphs by showing how they relate to the circular graphs.
Activity
University of St. Andrews (UK)

University of St. Andrews: Trigonometric Functions

For Students 9th - 10th Standards
This site from the University of Saint Andrews provides an historical look at the origins of trig functions. This site ties together mathematics and history from Hipparchus to Ptolemy to Lambert.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Graphs of Trigonometric Functions

For Students 9th - 10th Standards
Hotmath provides 20 practice problems on graphs of trigonometric functions. Each of the practice problems include a step-by-step guide for solving their graphs.
Unit Plan
CK-12 Foundation

Ck 12: Domain, Range, and Signs of Trigonometric Functions

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Define the domain, range, and sign of trigonometric functions.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Six Trigonometric Functions and Radians

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] The argument of trigonometric functions can be measured in radians.
Activity
Lawrence Hall of Science

The Math Page: Trigonometry: Graphs of the Trigonometric Functions

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains how to graph each of the six trigonometric functions and determine the period, amplitude, phase shift, and vertical shift of each. There are example problems solved, problems for the...
Activity
Lawrence Hall of Science

The Math Page: Trigonometry: Trigonometric Functions of Any Angle

For Students 9th - 10th
Here is a site that clearly and thoroughly explains the trigonometric functions of any angle and the polar coordinate system. There are example problems solved, problems for the student to attempt, and answers to the student problems....
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.
Activity
Interactive Mathematics

Interactive Mathematics: Trigonometric Functions of Any Angle

For Students 9th - 10th Standards
Given a reference angle, you can find the trigonometric functions of any angle. The process is demonstrated in this lesson and examples are provided for practicing the concept.
Activity
University of Vienna (Austria)

Univ of Vienna: Trigonometric Functions

For Students 9th - 10th
An interactive tool to discover how the trig functions came to be. Applets are used in this interactive learning tool. Examples exercises are also given.
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.