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Производная log(3,cos(x))

Функция f() - производная -го порядка в точке
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Решение

Вы ввели [src]
log(3, cos(x))
$$\log{\left(3 \right)}$$
d                 
--(log(3, cos(x)))
dx                
$$\frac{d}{d x} \log{\left(3 \right)}$$
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Первая производная [src]
 /  d  /  log(3) \\|                  
-|-----|---------|||           *sin(x)
 \dxi_2\log(xi_2)//|xi_2=cos(x)       
$$- \sin{\left(x \right)} \left. \frac{d}{d \xi_{2}} \frac{\log{\left(3 \right)}}{\log{\left(\xi_{2} \right)}} \right|_{\substack{ \xi_{2}=\cos{\left(x \right)} }}$$
Вторая производная [src]
                                             2    /         2     \       
                                          sin (x)*|1 + -----------|*log(3)
  /  d  /  log(3) \\|                             \    log(cos(x))/       
- |-----|---------|||           *cos(x) + --------------------------------
  \dxi_2\log(xi_2)//|xi_2=cos(x)                   2       2              
                                                cos (x)*log (cos(x))      
$$- \cos{\left(x \right)} \left. \frac{d}{d \xi_{2}} \frac{\log{\left(3 \right)}}{\log{\left(\xi_{2} \right)}} \right|_{\substack{ \xi_{2}=\cos{\left(x \right)} }} + \frac{\left(1 + \frac{2}{\log{\left(\cos{\left(x \right)} \right)}}\right) \log{\left(3 \right)} \sin^{2}{\left(x \right)}}{\log{\left(\cos{\left(x \right)} \right)}^{2} \cos^{2}{\left(x \right)}}$$
Третья производная [src]
/                         /         2     \               2    /         2     \               2    /         2     \                                        \       
|       2               3*|1 + -----------|*log(3)   2*sin (x)*|1 + -----------|*log(3)   2*sin (x)*|1 + -----------|*log(3)                                 |       
|  2*sin (x)*log(3)       \    log(cos(x))/                    \    log(cos(x))/                    \    log(cos(x))/          /  d  /  log(3) \\|           |       
|-------------------- + -------------------------- + ---------------------------------- + ---------------------------------- + |-----|---------|||           |*sin(x)
|   3       4                        2                         3       3                            3       2                  \dxi_2\log(xi_2)//|xi_2=cos(x)|       
\cos (x)*log (cos(x))      cos(x)*log (cos(x))              cos (x)*log (cos(x))                 cos (x)*log (cos(x))                                        /       
$$\left(\left. \frac{d}{d \xi_{2}} \frac{\log{\left(3 \right)}}{\log{\left(\xi_{2} \right)}} \right|_{\substack{ \xi_{2}=\cos{\left(x \right)} }} + \frac{2 \cdot \left(1 + \frac{2}{\log{\left(\cos{\left(x \right)} \right)}}\right) \log{\left(3 \right)} \sin^{2}{\left(x \right)}}{\log{\left(\cos{\left(x \right)} \right)}^{2} \cos^{3}{\left(x \right)}} + \frac{3 \cdot \left(1 + \frac{2}{\log{\left(\cos{\left(x \right)} \right)}}\right) \log{\left(3 \right)}}{\log{\left(\cos{\left(x \right)} \right)}^{2} \cos{\left(x \right)}} + \frac{2 \cdot \left(1 + \frac{2}{\log{\left(\cos{\left(x \right)} \right)}}\right) \log{\left(3 \right)} \sin^{2}{\left(x \right)}}{\log{\left(\cos{\left(x \right)} \right)}^{3} \cos^{3}{\left(x \right)}} + \frac{2 \log{\left(3 \right)} \sin^{2}{\left(x \right)}}{\log{\left(\cos{\left(x \right)} \right)}^{4} \cos^{3}{\left(x \right)}}\right) \sin{\left(x \right)}$$
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Производная log(3,cos(x))