Math Is Fun
Math Is Fun: Trigonometry
Students explore trigonometry concepts through this collection of definitions, lessons, examples problem-solving steps and strategies, and practice problems. Topics include solving triangles, trigonometric functions, theorems, and the...
Interactive Mathematics
Interactive Mathematics: Graphs of Tangent, Cotangent, Secant, and Cosecant
The tutorial explores the graphs of the tangent, cotangent, secant, and cosecant functions. The resource consists of animations and examples.
Math Is Fun
Math Is Fun: Finding a Side in a Right Angled Triangle
Students learn how to find a side in a right triangle. The tutorial consists of notes, examples, and practice problems to check for comprehension.
Math Is Fun
Math Is Fun: Finding an Angle in a Right Angled Triangle
Students learn how to find an angle of a right triangle. The tutorial consists of notes, examples, and practice problems to check for comprehension.
Math Is Fun
Math Is Fun: Sohcahtoa: Sine, Cosine, Tangent
Students learn about the relationships between sine, consine, and tangent. The tutorial consists of notes, examples, and practice problems to check for comprehension.
Analyze Math
Analyze Math: Differentiation of Trigonometric Functions
Learners examine the formulas of the derivatives of trigonometric functions. Examples with detailed solutions are included.
Analyze Math
Analyze Math: Derivative of Tan(x)
The interactive tutorial investigates the graph of the derivative of tan (x).
Analyze Math
Analyze Math: Derivative of Sin (X)
The interactive tutorial explores the graph of the derivative of sin (x).
Texas Instruments
Texas Instruments: Trig Values of the Unit Circle
This is a LearningCheck quiz to evaluate students on the special angles of the unit circle.
CK-12 Foundation
Ck 12: Trigonometry: Cosine and Secant Graphs
[Free Registration/Login may be required to access all resource tools.] Define the cosine and secant graphs using a unit circle.
CK-12 Foundation
Ck 12: Trigonometry: Product to Sum Formulas for Sine and Cosine
[Free Registration/Login may be required to access all resource tools.] Examples of how to transform a product of trigonometric functions into a sum of trigonometric functions
Math Is Fun
Math Is Fun: Sine, Cosine, Tangent
Students learn about the sine, cosine, and tangent functions. The tutorial consists of notes, examples, and practice problems to check for comprehension.
Oswego City School District
Regents Exam Prep Center: Unit Circle
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....
Khan Academy
Khan Academy: Period of Sinusoidal Functions From Graph
Given the graph of a sinusoidal function, determine its period. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
![The University of Arizona: Modeling With Sinusoidal Functions [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "The University of Arizona: Modeling With Sinusoidal Functions [Pdf] Activity")
University of Arizona
The University of Arizona: Modeling With Sinusoidal Functions [Pdf]
This site provides several real-world application problems that can be solved using sinusoidal functions. Students are asked to sketch, model and solve the problems.
Purple Math
Purplemath: Trigonometric Functions and Their Graphs
Explains the horizontal forms of trigonometric graphs by showing how they relate to the circular graphs.
Math Planet
Math Planet: Algebra 2: Circular Functions
Explanation of circular functions through the use of examples and a video lesson. [1:10]
Paul Dawkins
Paul's Online Notes: Trig Functions
In this section we will give a quick review of trig functions. We will cover the basic notation, relationship between the trig functions, the right triangle definition of the trig functions. We will also cover evaluation of trig...
Lawrence Hall of Science
The Math Page: Trigonometry
Concepts in Trigonometry are explained and illustrated here by a member of the math department at Borough of Manhattan Community College.
Mathigon
Mathigon: Geometry: Triangles and Trigonometry: Trigonometry
This lesson focuses on trigonometry including the trigonometric functions: sine, cosine, and tangent.
Other
Chat: Inverse Trig Functions [Pdf]
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.
Illustrative Mathematics
Illustrative Mathematics: F Tf Foxes and Rabbits 3
Students are presented with two graphs that show the populations of foxes and rabbits in a national park over a 24-month period. This is the third Foxes and Rabbits task. In this more realistic problem, students must find functions that...
Illustrative Mathematics
Illustrative Mathematics: F Tf Foxes and Rabbits 2
Young scholars are presented with a table that shows the populations of foxes and rabbits in a national park over a 12-month period. This is the second Foxes and Rabbits task. In this problem, students must find trigonometric functions...
Illustrative Mathematics
Illustrative Mathematics: F Tf Trig Functions and the Unit Circle
The purpose of this task is to help students make the connection between the graphs of sin t and cos t and the x and y coordinates of points moving around the unit circle. Students have to match coordinates of points on the graph with...