“Cotangent”的概念、定义、习题解题方法及翻译-数学辞典

单词

Cotangent

释义

Cotangent

The function defined by , where is the Tangent. The Maclaurin Series for cot is

where

is a Bernoulli Number.

It is known that, for

is rational only for

See also Hyperbolic Cotangent, Inverse Cotangent, Lehmer's Constant, Tangent

References

Abramowitz, M. and Stegun, C. A. (Eds.). ``Circular Functions.'' §4.3 in Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, 9th printing. New York: Dover, pp. 71-79, 1972.

Spanier, J. and Oldham, K. B. ``The Tangent and Cotangent Functions.'' Ch. 34 in An Atlas of Functions. Washington, DC: Hemisphere, pp. 319-330, 1987.

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