Unit Plan
Oswego City School District

Regents Exam Prep Center: Inverse Trig Functions

For Students 9th - 10th Standards
The mathematics session investigates inverse trigonometric functions. The tutorial consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource examines inverse trigonometric functions on...
Unit Plan
Mangahigh

Mangahigh: Algebra: Use Graphs to Solve Trigonometric Equations

For Students 9th - 10th Standards
Students learn about the concept of trigonometric equations by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
Interactive
Interactive Mathematics

Interactive Mathematics: Graphs of Tan, Cot, Sec, & Csc

For Students 9th - 10th
Several examples are presented that demonstrate how to graph the tan, cot, sec, and csc functions.
Activity
Math2

Math2.org: Trigonometry Functions

For Students 9th - 10th Standards
A complete look at trig functions. From an "overview," page giving general definitions and important vocab words, to a listing of the 12 trig functions, to an explanation of the three modes used in trigonometry, to the procedures of how...
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.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Period and Frequency

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Relating period and frequency for a sine or cosine graph with examples, practice problems, and vocabulary.
Unit Plan
Khan Academy

Khan Academy: Algebra Ii: Construct Sinusoidal Functions

For Students 9th - 10th Standards
Given a few features of a sinusoidal function, find its formula. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Amplitude

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] Find the amplitude of a sine or cosine curve.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F Tf Foxes and Rabbits 3

For Teachers 9th - 10th Standards
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...
Activity
Analyze Math

Analyze Math: Derivative of Tan(x)

For Students 9th - 10th
The interactive tutorial investigates the graph of the derivative of tan (x).
Activity
Analyze Math

Analyze Math: Derivative of Sin (X)

For Students 9th - 10th
The interactive tutorial explores the graph of the derivative of sin (x).
Activity
Texas Instruments

Texas Instruments: Translations of Parent Graphs

For Teachers 9th - 10th
This activity utilizes the TI-Navigator and Activity Center to explore translations of a parent graph.
Activity
Wolfram Research

Wolfram Math World: Cosine

For Students 9th - 10th
Graphs of the cosine function, both 2-dimensional and 3-dimensional. Higher level mathematics applications given, including defining the hyperbolic cosine function, the cosine function as an infinite sum and infinite product, and more.
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.
Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Transformations of Polar Graphs

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] How to alter graphs in polar coordinates by changing constants and/or functions.
Unit Plan
Khan Academy

Khan Academy: Modeling With Sinusoidal Functions: Phase Shift

For Students 9th - 10th
Given the description of a real-world relationship, find the sinusoidal function that models it. The functions in this exercise have a phase (horizontal) shift. Students receive immediate feedback and have the opportunity to try...
Activity
Northeast Parallel Architectures Center, Syracuse University

Npac Reu Program: Trigonometry Review

For Students 9th - 10th
The Northeast Parallel Architectures Center, Syracuse University, provides a review and tutorial site on trigonometry. The information is in-depth and can be accessed by clicking on the various links in the outline.
Unit Plan
Khan Academy

Khan Academy: Midline of Sinusoidal Functions From Graph

For Students 9th - 10th
Given the graph of a sinusoidal function, determine its midline equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Handout
Johan Claeys

Math Abundance: Trigonometry: The Sine Function

For Students 9th - 10th Standards
Definition of a sine function. Range and period also are given. Graph of sine function given as well.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Straightedge 3 [Pdf]

For Students 9th - 10th
The practice problem asks students to use the given figure and a ruler to determine the value of trigonometric functions. The example is available in PDF format.
Unknown Type
Math Graphs

Houghton Mifflin: Math Graphs: Straightedge 4 [Pdf]

For Students 9th - 10th
The practice problem asks students to use the given figure and a ruler to determine the value of trigonometric functions. The example is available in PDF format.
Activity
Windstream

Ojk's Pre Calculus Study Page: The Four Other Trig Functions

For Students 9th - 10th Standards
Trigonometry ratios and their signs are given in this explanation of the other trig functions. Graphs of tangent, cotangent, secant, and cosecant are given. Examples are included.
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....
Interactive
Oswego City School District

Regents Exam Prep Center: Interactive Games and Puzzles for Algebra 2 & Trig

For Students 9th - 10th
This educational resource consists of interactive games and puzzles that investigate algebra and trigonometry concepts. Some concepts included are functions, quadratics, and trigonometric graphs. [Requires Java Plugin.]