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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Srt, G Mg Coins in a Circular Pattern

For Teachers 9th - 10th Standards
In this task, students investigate how many coins will fit around a central coin when they are all of the same denomination, and if there is room left over. The teacher is given a chart of four coin denominations and their diameters, but...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Mg Satellite

For Teachers 9th - 10th Standards
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...
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Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Mg the Lighthouse Problem

For Teachers 9th - 10th Standards
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...
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Unit Plan
CK-12 Foundation

Ck 12: Geometry: Trigonometry Word Problems

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to solve word problems using trigonometric ratios.
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Activity
Texas Instruments

Texas Instruments: Looking for Mr. Right Triangle

For Teachers 9th - 10th Standards
Navigator Activity: This is a review of the right triangle in the coordinate plane. Given two lines (2 really nice ones) the students write the equation of the 3rd line to create a right triangle. They find the vertices of the triangle...
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Activity
Texas Instruments

Texas Instruments: Sin(x)/x

For Teachers 9th - 10th
This activity explores some of the graphical properties of the function sin(x)/x.
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Handout
Other

University of Cambridge: Spherical Trigonometry

For Students 9th - 10th
Very good site that acts as a tutorial/review site on Spherical Trigonometry. Many diagrams and formulas are included.
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Graphic
Clark University

Clark University: Dave's Short Trig Course: Complex Numbers

For Students 9th - 10th Standards
This site from a professor at Clark University teaches you about complex numbers.
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Handout
University of California

University of California, Davis: The Calculus Page

For Students 9th - 10th Standards
This site, from the University of California, provides several problems from beginning differential calculus, as well as beginning integral calculus. The problems can be accessed by clicking on the link, and the information provided is...
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Activity
Ministry of Education and Universities of the Region of Murcia (Spain)

Ministerio De Educacion Y Ciencia: Familia De Funciones

For Students 9th - 10th Standards
Ministerio de Educacion y Ciencia: familia de funciones
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Activity
Lawrence Hall of Science

The Math Page: Trigonometry

For Students 9th - 10th Standards
Concepts in Trigonometry are explained and illustrated here by a member of the math department at Borough of Manhattan Community College.
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Activity
Other

Technical Tutoring: Trigonometry: The Very Fast Review

For Students 9th - 10th Standards
This site is a quick review of the functions and identities in trigonometry. Very helpful site.
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Activity
Interactive Mathematics

Interactive Mathematics: Vital Revision for Fourier Series

For Students 9th - 10th
Begin your studies of the Fourier Series with this lesson. It contains information on all of the essentials of getting started, including trigonometric functions, continuity, periodic functions, and more.
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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.
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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.
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Website
Math Medics

S.o.s. Math: Math Review Resources

For Students 9th - 10th
A math tutorial for many areas of math that contains over 2,500 pages of explanations and examples in algebra, trigonometry, calculus, and basic mathematics. Also has exams and ask-an-expert function.
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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.
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Activity
Math2

Math2.org: Proofs of Derivatives of Hyperbolics

For Students 9th - 10th
This site has proofs of derivatives of hyperbolic functions using various rules which may be viewed by clicking on the colored links.
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Activity
Interactive Mathematics

Interactive Mathematics: The General Power Rule

For Students 9th - 10th
Using the power rule, integration is applied to trigonometric and logarithmic functions. Several examples demonstrate the process with detailed solutions.
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Whiteboard
ClassFlow

Class Flow: Trigraphs

For Teachers 9th - 10th Standards
[Free Registration/Login Required] Students use the interactive features of Activstudio to graph various functions.
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Activity
Other

Technical Tutoring: Trig Identities

For Students 9th - 10th Standards
This resource is a quick review of the functions and identities in trigonometry.
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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.
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Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Sine Sum and Difference Formulas

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Sine of a sum or difference related to a set of cosine and sine functions. Here you'll learn to rewrite sine functions with addition or subtraction in their...
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Unit Plan
CK-12 Foundation

Ck 12: Trigonometry: Cosine Sum and Difference Formulas

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] Examples, videos, and practice problems covering cosine of a sum or difference related to a set of cosine and sine functions. Here you'll learn to rewrite cosine...