Lesson Plan
Curated OER

The EUVE Orbit

For Teachers 9th - 12th
High schoolers study the nature of a satellite's orbit around the Earth.
Lesson Plan
Curated OER

Loyalists

For Teachers 9th - 12th
Students explain why some colonists remained loyal to England during the American revolution. In this social studies lesson, students write a letter to an editor about their reasons for remaining loyal to England.
Unit Plan
Interactive Mathematics

Interactive Mathematics: Graphs of Sine and Cosine Functions

For Students 9th - 10th
An interactive graph provides a demonstration to show how the measure of an angle is related to the sine and cosine waves. Topics covered include amplitude and period. Examples allow students to practice the concepts.
eBook
CK-12 Foundation

Ck 12: Algebra Ii: 4.5 Graphing Sine and Cosine

For Students 9th - 10th Standards
This section explores the graphs of sine and cosine functions. It investigates how these graphs are related to coordinates for different angles in a unit circle.
Activity
Texas Instruments

Texas Instruments: Sine and Cosine Graphs

For Teachers 9th - 10th
This activity will help students identify the amplitude, period and shifts of graphs of sine and cosine using the TI-Navigator.
Lesson Plan
Texas Instruments

Texas Instruments: Sine and Cosine

For Teachers 9th - 10th
This set of questions measures knowledge of amplitude, horizontal and vertical shift, and periods of sine and cosine graphs. Questions are multiple-choice and true/false; solutions are included.
Activity
Windstream

Ojk's Precalculus Study Page: Translations of Sine and Cosine Curves

For Students 9th - 10th
This study tutorial covers more advanced graphing of sine and cosine functions, including horizontal and vertical translations (phase shifts and vertical shifts). Includes several examples and graphs.
Activity
Interactive Mathematics

Interactive Mathematics: Graphs of the Trigonometric Functions

For Students 9th - 10th Standards
The tutorial investigates period and frequency by examining the shapes of the sine and cosine functions. The resource consists of definitions, animations, interactive graphs, and examples. Practice problems with solutions are included.
Activity
Texas Instruments

Texas Instruments: Give Me a Sine (And a Cosine) Using Ti Navigator

For Teachers 9th - 10th
In this lesson, students contribute data points to build graphs of the sine and cosine functions. The transition from trig ratios to trig functions is a particularly difficult one, but it is also one where the social space of the...
Activity
Math Is Fun

Math Is Fun: Graphs of Sine, Cosine and Tangent

For Students 9th - 10th Standards
Students learn about the graphs of the sine, cosines, and tangent functions. The tutorial consists of notes and examples.
Activity
University of Vienna (Austria)

Maths Online: Recognize Functions 3

For Students 9th - 10th Standards
An excellent place to test your ability to recognize the graphs of sine and cosine and their various associated forms. A Java applet is also included to plot your own function.
Activity
Windstream

Ojk's Precalculus Study Page: Evaluating and Graphing Sine and Cosine

For Students 9th - 10th Standards
An introduction to graphing the sine and cosine functions by using the 30-60-90 and 45-45-90 right triangle values of the two functions as guides.
Activity
University of Vienna (Austria)

The Graphs of Sin, Cos, and Tan Maths Online

For Students 9th - 10th
This applet allows the user to create the graphs of sin, cos, and tan by moving a scroll bar. The user can watch the unit circle and the graph simultaneously to see how the two are related. The user may also choose to see the angle...
eBook
CK-12 Foundation

Ck 12: Algebra Ii: 4.6 Transformations of Trigonometric Functions

For Students 9th - 10th Standards
Explore how changes to the equations of sine and cosine functions affect the graphs of the functions through transformations (stretches and shifts).
Interactive
University of Colorado

University of Colorado: Ph Et Interactive Simulations: Trig Tour

For Students 9th - 10th Standards
Take a tour of trigonometry using degrees or radians! Look for patterns in the values and on the graph when you change the value of theta. Compare the graphs of sine, cosine, and tangent.
Activity
Other

Personal Site: Sine and Cosine Do "The Wave"

For Students 9th - 10th
This personal site provides a great animation of how the sine and cosine waves are formed. It connects the unit circle with the sine and cosine graph.
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.
Unknown Type
McGraw Hill

Glencoe Mathematics: Mc Graw Hill Education

For Students 9th - 10th Standards
Learners show comprehension of advanced mathematical concepts in Trigonometry. The online quiz assesses the scholars on the graphs of the sine and cosine functions.
Activity
Math2

Math2: Trigonometric Graphs

For Students 9th - 10th
Sketches of the graphs of the 12 "parent," trigonometry functions are given: sine, cosine, tangent, secant, cosecant, cotangent, arcsine, arccosine, arctangent, arcsecant, arccosecant, and arccotangent.
Activity
Curated OER

Zona Land: Overlapped Graph of the Six Trig Functions

For Students 9th - 10th Standards
An overview of the six trig functions and their graphs. The site is a little difficult to navigate but is good for finding a graph of a trig function.
Unknown Type
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
Varsity Tutors

Varsity Tutors: Hotmath: Graphing Calculator Practice: Right Triangles and Trigonometry

For Students 9th - 10th Standards
Practice using your graphing calculator for solving right triangle trigonometry and non-right triangle trigonometry. If you get stumped or if you would like to check your work, then select the View Solution button, which is located...
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
Oswego City School District

Regents Exam Prep Center: Unit Circle

For Students 9th - 10th Standards
Two hands-on lab activities for instructors to use when teaching about the coordinate graphs of the sine, cosine, and tangent functions derived from a unit circle. The graphs of the reciprocals of the three functions are investigated....