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# Sine, Cosine, and Tangent Functions

## 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, and Tangent Functions

Calculate sine, cosine, and tangent functions using the sides of a right triangle.
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7

## Sine, Cosine, Tangent

This lesson covers the three trigonometric ratios: sine, cosine, and tangent.
MEMORY METER
This indicates how strong in your memory this concept is
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