The \(n\)-th derivative of tg z (Q1090452)
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scientific article; zbMATH DE number 4006678
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The \(n\)-th derivative of tg z |
scientific article; zbMATH DE number 4006678 |
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The \(n\)-th derivative of tg z (English)
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1986
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The author discusses the elementary trigonometric function tg z and gives an explicit formula for the nth derivative of tg z in terms of the Stirling numbers of the second kind. A so called new formula for the tangent numbers \(t_{2m-1}=D_{z=0}^{2m-1} tg z\) is given, \(D=d/dz\).
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tangent functions
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tangent numbers
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