Difference between revisions of "Tangent"

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$$\tan(x) = \dfrac{\sin(x)}{\cos(x)}.$$
 
$$\tan(x) = \dfrac{\sin(x)}{\cos(x)}.$$
  
[[File:Tangent.png|500px]]
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<div align="center">
 
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<gallery>
[[File:Complex tan.jpg|500px]]
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File:Tangent.png|Graph of $\tan$ on $\mathbb{R}$.
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File:Complex tan.jpg|[[Domain coloring]] of [[analytic continuation]] of $\tan$.
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</gallery>
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</div>

Revision as of 13:41, 1 November 2014

The tangent function is defined as the ratio of the sine and cosine functions: $$\tan(x) = \dfrac{\sin(x)}{\cos(x)}.$$