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# Right Triangle Trigonometry

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Author: Leif Park Jordan
##### Description:
1.

Introduce the sine, cosine, and tangent ratios.

2.

Demonstrate how to apply the trigonometric ratios to solve for an unknown side of a right triangle given an angle and side length.

3.

Provide real world examples that apply the trigonometric ratios.

This packet should help a learner seeking to understand the sine, cosine, and tangent trigonometric ratios for right triangles.

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Tutorial

## Sine

This video introduces the sine function.

Source: RobertOB on Guaranteach

## Cosine

This video introduces the cosine function.

Source: Kevin Kriescher on Guaranteach

## Tangent

This video introduces the tangent function.

Source: RobertOB on Guaranteach

## Solving for a Missing Side

This video demonstrates how to find an unknown side of a right triangle using trigonometric ratios. It also shows how trigonometry can be useful in real life.

Source: Ronald on Guaranteach

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