Difference between revisions of "Tangent"
From specialfunctionswiki
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The tangent function is defined as the ratio of the [[sine]] and [[cosine]] functions: | The tangent function is defined as the ratio of the [[sine]] and [[cosine]] functions: | ||
| − | $$\tan( | + | $$\tan(z) = \dfrac{\sin(z)}{\cos(z)}.$$ |
<div align="center"> | <div align="center"> | ||
Revision as of 13:42, 1 November 2014
The tangent function is defined as the ratio of the sine and cosine functions: $$\tan(z) = \dfrac{\sin(z)}{\cos(z)}.$$
- Tangent.png
Graph of $\tan$ on $\mathbb{R}$.
- Complex tan.jpg
Domain coloring of analytic continuation of $\tan$.
