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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.
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...