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# Exact Values for Inverse Sine, Cosine, and Tangent

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.

## Exact Values for Inverse Sine, Cosine, and Tangent

Showing exact values for sine, cosine, and tangent

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## Inverse Trigonometric Functions

This lesson covers the inverses of all six trig functions.

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• Video

## Examples: Determine Trig Function Values Using Reference Triangles

Determines exact values of trigonometric functions by using reference triangles.

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• Practice
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