Difference between revisions of "Cotangent"
From specialfunctionswiki
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The cotangent function is defined by the formula | The cotangent function is defined by the formula | ||
| − | $$\cot(z)=\dfrac{1}{\tan z},$$ | + | $$\cot(z)=\dfrac{1}{\tan z}=\dfrac{\cos(z)}{\sin(z)},$$ |
where $\tan$ denotes the [[tangent]] function. | where $\tan$ denotes the [[tangent]] function. | ||
Revision as of 13:42, 1 November 2014
The cotangent function is defined by the formula $$\cot(z)=\dfrac{1}{\tan z}=\dfrac{\cos(z)}{\sin(z)},$$ where $\tan$ denotes the tangent function.
- Cotangent.png
Plot of cotangent function on $\mathbb{R}$.
- Complex Cot.jpg
Domain coloring of analytic continuation of $\cot$.
