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Topic (Course) 
Technology 
Type 
$? 
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Angles of Elevation and Depres...

Trigonometry (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains angles of elevation and depression, and how to use those to solve realworld problems.
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Applications of the Tangent Ra...

Trigonometry (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains how to find the tangent of an angle and how the tangent ratio is used to make indirect measurements when the measures of a leg and an acute angle of a right triangle are know...
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Geometria

Trigonometry (Geometry) 
Computer 
Tool 

[0]

Geometria is free (GPL) crossplatform software based on a tworole (teacher, student) model. The teacher creates a problem, provides it with an answer and saves the problem in a file. The student ope...
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Inverse Sine and Cosine (Geome...

Trigonometry (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains inverse cosine and sine and how to use them to calculate angle measures.
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Inverse Tangent (Geometry)

Trigonometry (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains the inverse tangent and core inverse functions: arcsine, arccosine and arctangent.
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Learn Trig...The Easy Way

Trigonometry (Geometry) 
Java Applet 
Tool 

[3]

Introduction
You know how to find the length of the third side of a right triangle when the lengths of the two other sides were given, but how does a person determine the length of a side if t...
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Right Triangle and Trigonometr...

Trigonometry (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains the basics of trigonometric functions, right triangles, and their relationship.
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The Art Gallery Problem

Trigonometry (Geometry) 
TINspire 
Activity 

[0]

The question of where patrons should stand to enjoy the best view of a painting is one that art gallery curators must consider on a regular basis. For this activity, we will consider a painting that i...
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The Right Triangle and the Cos...

Trigonometry (Geometry) 
Computer 
Support Material 

[0]

Provides an illustration and description of the cosine function's relation to the right triangle.
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The Right Triangle and the Cos...

Trigonometry (Geometry) 
Computer 
Support Material 

[0]

Provides an illustration and description of the cosecant function's relation to the right triangle.
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The Right Triangle and the Cot...

Trigonometry (Geometry) 
Computer 
Support Material 

[0]

Provides an illustration and description of the cotangent function's relation to the right triangle.
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The Right Triangle and the Sec...

Trigonometry (Geometry) 
Computer 
Support Material 

[0]

Provides an illustration and description of the secant function's relation to the right triangle.
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The Right Triangle and the Sin...

Trigonometry (Geometry) 
Computer 
Support Material 

[0]

Provides an illustration and description of the sine function's relation to the right triangle.
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The Right Triangle and the Tan...

Trigonometry (Geometry) 
Computer 
Support Material 

[0]

Provides an illustration and description of the tangent function's relation to the right triangle.
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The Tangent Ratio (Geometry)

Trigonometry (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains the tangent ratio of a right triangle and how it can be used to determine unknown leg lengths given a known side length and an angle.
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Touch Pythagoras

Trigonometry (Geometry) 
Android 
Tool 

[0]

With this app the Pythagorean Theorem is interactive. You can change the lengths of the legs (dragging), the length of the hypotenuse with two fingers and zoom (pinch zoom) and rotate the figure (dra...
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Trigonometry Problem #1

Trigonometry (Geometry) 
Computer 
Activity 

[1]

Trigonometry problem with instant feedback.
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Trigonometry Problem #2

Trigonometry (Geometry) 
Computer 
Activity 

[1]

Trigonometry problem with instant feedback.
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Trigonometry Problem #3

Trigonometry (Geometry) 
Computer 
Activity 

[0]

Trigonometry problem with instant feedback.
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Trigonometry and the Right Tri...

Trigonometry (Geometry) 
Computer 
Support Material 

[0]

Provides detailed information on the trigonometry of right triangles.
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VisualTrig: Triangle or Rectan...

Trigonometry (Geometry) 
JavaScript 
Tool 

[2]

Online Desktop and PocketPC visual trigonometric calculators.
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