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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...
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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.
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Activity
University of Saskatchewan (Canada)

University of Saskatchewan: Trigonometric Functions

For Students 9th - 10th Standards
This site examines the six trigonometric functions from a right triangle point of view. Provides information, examples, and lots of exercises for understanding.
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Handout
Johan Claeys

Math Abundance: Inverse Trigonometric Functions = Cyclometric Functions

For Students 9th - 10th Standards
Explains the inverse trigonometric functions using examples.
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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...
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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...
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Unit Plan
CK-12 Foundation

Ck 12: Exact Values for Inverse Sine, Cosine, and Tangent

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Find all angles on the unit circle matching exact trig ratios. Resource includes examples, videos, and practice problems.
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Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Sine, Cosine, and Tangent Functions

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Calculate sine, cosine, and tangent functions using the sides of a right triangle.
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Activity
Massachusetts Institute of Technology

Mit: Useful Trigonometric Identities

For Students 9th - 10th
This list of trigonometric identities includes the factoring formulas near the bottom. A great tool for reference.
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Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Inverses of Trigonometric Functions

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Here you'll learn how to find the domain and range of inverse trigonometric functions by utilizing the reflection principle.
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Activity
eFunda

Engineering Fundamentals: Hyperbolic Functions

For Students 9th - 10th Standards
A complete list of hyperbolic functions, plots of hyperbolic functions, and formulas. Includes links to related topics.
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Activity
Math Medics

S.o.s. Math: Inverse Hyperbolic Functions

For Students 9th - 10th Standards
This lesson has information explaining the Inverse Hyperbolic Functions. There is a worked example that the student can look over and one that the student can work and check the answer.
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Activity
Other

Brown Math: Remembering Trig Identities

For Students 9th - 10th Standards
Faced with a large number of trigonometric identities, students tend to try to memorize them all. This site the emphasis is on understanding how the functions work and on memorizing only about a half dozen of them - all the others work...
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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.
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Srt Defining Trigonometric Ratios

For Teachers 9th - 10th Standards
The purpose of this task is to use the notion of similarity to define the sine and cosine of an acute angle. Aligns with G-SRT.C.6.
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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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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.
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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.
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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.
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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.
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Activity
Stefan Warner and Steven R. Costenoble

Finite Mathematics & Applied Calculus: Topic Summaries: Trigonometric Functions

For Students 9th - 10th Standards
The topic summary outlines trigonometric functions. Some topics reviewed are derivatives of trigonometric functions, sine function, trigonometric identities, and indefinite integrals of trigonometric functions. The resource consists of...
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Graphic
Analyze Math

Analyze Math: Table for the 6 Trigonometric Functions for Special Angles

For Students 9th - 10th Standards
Learners explore the special angles for the six trigonometric functions. The special angles can be used to solve trigonometry problems. The table gives the values of sine, cosine, tangent, cotangent, secant, and cosecant for special angles.
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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.
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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...