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# Law of Cosines

## Relationship between the three sides and an angle for non-right triangles.

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.

## Law of Cosines

Use Law of Cosines and Law of Sines in different triangle situations
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## Law of Cosines

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## Law of Cosines with SAS

Use Law of Cosines and Law of Sines in different triangle situations
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## Law of Cosines

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## Law of Cosines

by EPISD Precalculus Team //at grade
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## Law of Cosines: Angles in the Outfield

Law of Cosines Interactive
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## Law of Cosines: Get on Base

Law of Cosines Interactive
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## Baseball Diamond

Law of Cosines Interactive
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## Building a Zip Line

Law of Cosines Interactive
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• Video