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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.

## Sine, Cosine, Tangent

This concept teaches students to find the sine, cosine, and tangent of right triangles.
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## SLT 1: Use the sine ratio to determine the height of a point following a circular path

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• PLIX

## Sine, Cosine, Tangent: Knitting A Right Triangle

Sine, Cosine, Tangent Interactive
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• Video

## Sine Cosine Tangent Principles

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

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

## Sine, Cosine, Tangent Discussion Questions

A list of student-submitted discussion questions for Sine, Cosine, Tangent.
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• Real World Application

## Sine Cosine Tangent

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

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