KeywordDerivative,Trigonometric function,Inverse trigonometric functions,Cotangent curve. |
Reference[1]:オーム社編:『機械工学公式集』,オーム社,pp.20,1960. |
Remarks
・LaTeX: \frac{d}{dx}\textup{cot}^{-1}x=-\frac{1}{1+x^{2}} \; ,\textup{cot}x=\frac{1}{\tan x}\; ,\\\textup{cot} ^{-1}\left ( \frac{y}{x}\right )=\tan^{-1}\left ( \frac{x}{y}\right )=\frac{\pi }{2}-\tan^{-1}\left ( \frac{y}{x}\right )
|
History・2010/02/24:Upload. |