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 Hours of Daylight 1
In order to determine how effective solar panels would be at various times of the year, it is important to know the amount of daylight at a given location. Students are asked to find an appropriate function that serves as a mathematical...
Texas Instruments
Texas Instruments: Solving Problems Using Trigonometry
Solving real life problem using trig ratios. Example: Finding the angle of elevation or the angle of depression. Finding the angle between two lines. Finding equation of a line that passes through two points.
University of Vienna (Austria)
Trigonometry: Law of Sines
This is demonstration of how the law of sines works. It uses Java applets to manipulate the triangle and allows the user to explore what happens to the values of the triangle as the sides are changed.
OpenStax
Open Stax: Normal, Tension, and Other Examples of Forces
In the following interactive students will begin to define normal and tension forces. They will apply Newton's laws of motion to solve problems involving a variety of forces and use trigonometric identities to resolve weight into...
Interactive Mathematics
Interactive Mathematics: Sine, Cosine, Tan & Reciprocals
The definitions of the six trig ratios are presented here, along with several examples of how to determine the ratios given 2 or more sides of a right triangle.
Khan Academy
Khan Academy: Algebra Ii: Amplitude of Sinusoidal Functions From Graph
Given the graph of a sinusoidal function, determine its amplitude. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Illustrative Mathematics
Illustrative Mathematics: G Mg Satellite
This task models a satellite orbiting the Earth in communication with two control stations located miles apart on Earth's surface. Students determine distances between various locations and, given a rate of travel, they determine the...
Illustrative Mathematics
Illustrative Mathematics: G Mg the Lighthouse Problem
For this task, students are asked to calculate the height above sea level of a lamp on top of a lighthouse that is visible to a boat, and to examine two other interpretations of the distance from the lighthouse to the boat. Aligns with...
Interactive Mathematics
Interactive Mathematics: Graphs of Tan, Cot, Sec, & Csc
Several examples are presented that demonstrate how to graph the tan, cot, sec, and csc functions.
![Houghton Mifflin: Math Graphs: Straightedge 3 [Pdf] Unknown Type](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Houghton Mifflin: Math Graphs: Straightedge 3 [Pdf] Unknown Type")
Math Graphs
Houghton Mifflin: Math Graphs: Straightedge 3 [Pdf]
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.
Math Graphs
Houghton Mifflin: Math Graphs: Straightedge 4 [Pdf]
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.
Math Open Reference
Math Open Reference: Cosecant (Csc) Trigonometry Function
Learn about the trigonometric function, cosecant, with this helpful reference tool. Provides a detailed definition and examples that enhances further explanation.
University of Vienna (Austria)
Maths Online: Recognize Functions 3
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.
eFunda
Engineering Fundamentals: Hyperbolic Functions
A complete list of hyperbolic functions, plots of hyperbolic functions, and formulas. Includes links to related topics.
Oswego City School District
Regents Exam Prep Center: Special Right Triangles
A collection of lessons, practice activities, and a teacher resource that will aid your exploration and understanding of special right triangles.
Google
Google for Education: Modeling Projectile Motion Using Computational Thinking
In this demonstration, students see how they can model the phenomenon of projectiile motion with computational thinking in order to make predictions and better understand the concepts.
Windstream
Ojk's Precalculus Study Page: Measurement of Angles
An introduction to radian measurement, including converting between radians and degrees. Includes several examples and lots of pictures.
Cuemath
Cuemath: Tangent
Learn about the tangent definition in geometry, tangent geometry, tangent to a circle, tangent line equation. Check-out the solved examples for better understanding and try your hand at the tangent line calculator or solving a few...
Cuemath
Cuemath: Sine Function
A comprehensive guide for learning all about the sine function, unit circle and angles, how to use them, and their various applications. Check out the solved examples and practice questions for better understanding.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Razones Trigonometricas
In Spanish. In this interactive activity you will learn about the six trigonometric ratios, discover relationships between the trigonometric ratios of complementary and supplementary angles and the relationship between the sides of a...
Math Medics
S.o.s. Math: Double Angle and Half Angle Formulas
Double angles and half angles are explained through step by step examples. The steps are clear and easy to follow.
Interactive Mathematics
Interactive Mathematics: Graphs of Sine and Cosine Functions
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.
Texas Instruments
Texas Instruments: Give Me a Sine (And a Cosine) Using Ti Navigator
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...
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