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# Sine, Cosine, Tangent

## Trigonometric ratios based on sides of right triangles in relation to an angle.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• PLIX

## Sine, Cosine, Tangent: Knitting Right Triangle

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Sine, Cosine, Tangent Interactive

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• Video

## Sine Cosine Tangent Principles

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This video gives more detail about the mathematical principles presented in Sine Cosine Tangent.

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• Video

## Sine Cosine Tangent Examples

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This video shows how to work step-by-step through one or more of the examples in Sine Cosine Tangent.

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• Practice
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## Sine, Cosine, Tangent Practice

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• Critical Thinking

## Sine, Cosine, Tangent Discussion Questions

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A list of student-submitted discussion questions for Sine, Cosine, Tangent.

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## Sine Cosine Tangent Pre Read

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To encourage students’ critical thinking about vocabulary concepts, to allow students to reflect on their knowledge of individual vocabulary words, and to increase vocabulary comprehension using the Vocabulary Self-Rate.

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## Sine Cosine Tangent Post Read

by CK-12 //at grade

To encourage students’ critical thinking about vocabulary concepts, to allow students to reflect on their knowledge of individual vocabulary words, and to increase vocabulary comprehension using the Vocabulary Self-Rate.

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## Sine, Cosine, Tangent Stop and Jot Table

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Learn new vocabulary words and help remember them by coming up with your own sentences with the new words using a Stop and Jot table.

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• Real World Application

## Sine Cosine Tangent

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How did the ancient Greek astronomers determine the size of and distance from the Earth, Moon, and Sun?

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• Real World Application

## Angling for the Target

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Learn how to use trigonometry to improve your aim and archery skills.

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• Study Guide

## Trigonometric Ratios Study Guide

by CK-12 //at grade

This study guide looks at the trigonometric ratios sine, cosine, tangent, and their inverses. It also reviews the laws of sine and cosine.

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