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# Laws of Sines and Cosines

## Solving for parts of non-right triangles using trigonometry.

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.
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## Laws of Sines and Cosines Principles

This video gives more detail about the mathematical principles presented in Laws of Sines and Cosines.

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## Laws of Sines and Cosines Examples

This video shows how to work step-by-step through one or more of the examples in Laws of Sines and Cosines.

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## Law of Cosines

Solves triangles using the law of cosines.

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## The Law of Sines: The Basics

Derives the Law of Sines and uses it to solve triangles.

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