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Tangent Graph
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Main Concept
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The tangent function is one of the three primary trigonometric functions. In a right triangle, tangent is the ratio of the length of the side opposite an angle and length of the side adjacent to the angle.
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Explore how the unit circle can be used to construct the graph of tan( ).
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Special values of tangent
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Undefined
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Note: The vertical lines represent vertical asymptotes as  is undefined at  , where n is an odd integer.
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