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# Applications of Cosine

## Use a calculator to find cosine of given 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.

## Determine and Use the Cosine Ratio

Learn to determine and use the cosine ratio.

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## Determine and Use the Cosine Ratio

Summarize the main idea of a reading, create visual aids, and come up with new questions using a Four Square Concept Matrix.

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