Подробное решение
-
Не могу найти шаги в поиске этой производной.
Но производная
Ответ:
2 / 2 \
log (x) |2*log(x)*log(log(1 + cos(x))) log (x)*sin(x) |
(log(1 + cos(x))) *|----------------------------- - ----------------------------|
\ x (1 + cos(x))*log(1 + cos(x))/
$$\left(- \frac{\log{\left(x \right)}^{2} \sin{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right) \log{\left(\cos{\left(x \right)} + 1 \right)}} + \frac{2 \log{\left(x \right)} \log{\left(\log{\left(\cos{\left(x \right)} + 1 \right)} \right)}}{x}\right) \log{\left(\cos{\left(x \right)} + 1 \right)}^{\log{\left(x \right)}^{2}}$$
2 / 2 2 2 2 2 2 \
log (x) |/ 2*log(log(1 + cos(x))) log(x)*sin(x) \ 2 2*log(log(1 + cos(x))) 2*log(x)*log(log(1 + cos(x))) log (x)*cos(x) log (x)*sin (x) log (x)*sin (x) 4*log(x)*sin(x) |
(log(1 + cos(x))) *||- ---------------------- + ----------------------------| *log (x) + ---------------------- - ----------------------------- - ---------------------------- - ----------------------------- - ------------------------------ - ------------------------------|
|\ x (1 + cos(x))*log(1 + cos(x))/ 2 2 (1 + cos(x))*log(1 + cos(x)) 2 2 2 x*(1 + cos(x))*log(1 + cos(x))|
\ x x (1 + cos(x)) *log(1 + cos(x)) (1 + cos(x)) *log (1 + cos(x)) /
$$\left(\left(\frac{\log{\left(x \right)} \sin{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right) \log{\left(\cos{\left(x \right)} + 1 \right)}} - \frac{2 \log{\left(\log{\left(\cos{\left(x \right)} + 1 \right)} \right)}}{x}\right)^{2} \log{\left(x \right)}^{2} - \frac{\log{\left(x \right)}^{2} \cos{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right) \log{\left(\cos{\left(x \right)} + 1 \right)}} - \frac{\log{\left(x \right)}^{2} \sin^{2}{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right)^{2} \log{\left(\cos{\left(x \right)} + 1 \right)}} - \frac{\log{\left(x \right)}^{2} \sin^{2}{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right)^{2} \log{\left(\cos{\left(x \right)} + 1 \right)}^{2}} - \frac{2 \log{\left(x \right)} \log{\left(\log{\left(\cos{\left(x \right)} + 1 \right)} \right)}}{x^{2}} - \frac{4 \log{\left(x \right)} \sin{\left(x \right)}}{x \left(\cos{\left(x \right)} + 1\right) \log{\left(\cos{\left(x \right)} + 1 \right)}} + \frac{2 \log{\left(\log{\left(\cos{\left(x \right)} + 1 \right)} \right)}}{x^{2}}\right) \log{\left(\cos{\left(x \right)} + 1 \right)}^{\log{\left(x \right)}^{2}}$$
2 / 3 / 2 2 2 2 2 \ 2 2 3 2 3 2 3 2 2 2 2 \
log (x) | / 2*log(log(1 + cos(x))) log(x)*sin(x) \ 3 6*log(log(1 + cos(x))) / 2*log(log(1 + cos(x))) log(x)*sin(x) \ | 2*log(log(1 + cos(x))) 2*log(x)*log(log(1 + cos(x))) log (x)*cos(x) log (x)*sin (x) log (x)*sin (x) 4*log(x)*sin(x) | 4*log(x)*log(log(1 + cos(x))) log (x)*sin(x) 6*sin(x) 3*log (x)*sin (x) 2*log (x)*sin (x) 2*log (x)*sin (x) 6*cos(x)*log(x) 6*sin (x)*log(x) 6*sin (x)*log(x) 3*log (x)*cos(x)*sin(x) 3*log (x)*cos(x)*sin(x) 6*log(x)*sin(x) |
(log(1 + cos(x))) *|- |- ---------------------- + ----------------------------| *log (x) - ---------------------- + 3*|- ---------------------- + ----------------------------|*|- ---------------------- + ----------------------------- + ---------------------------- + ----------------------------- + ------------------------------ + ------------------------------|*log(x) + ----------------------------- + ---------------------------- - ------------------------------- - ------------------------------ - ----------------------------- - ------------------------------ - ------------------------------ - ------------------------------- - -------------------------------- - ----------------------------- - ------------------------------ + -------------------------------|
| \ x (1 + cos(x))*log(1 + cos(x))/ 3 \ x (1 + cos(x))*log(1 + cos(x))/ | 2 2 (1 + cos(x))*log(1 + cos(x)) 2 2 2 x*(1 + cos(x))*log(1 + cos(x))| 3 (1 + cos(x))*log(1 + cos(x)) 2 3 2 3 3 3 x*(1 + cos(x))*log(1 + cos(x)) 2 2 2 2 2 2 2 |
\ x \ x x (1 + cos(x)) *log(1 + cos(x)) (1 + cos(x)) *log (1 + cos(x)) / x x *(1 + cos(x))*log(1 + cos(x)) (1 + cos(x)) *log (1 + cos(x)) (1 + cos(x)) *log(1 + cos(x)) (1 + cos(x)) *log (1 + cos(x)) x*(1 + cos(x)) *log(1 + cos(x)) x*(1 + cos(x)) *log (1 + cos(x)) (1 + cos(x)) *log(1 + cos(x)) (1 + cos(x)) *log (1 + cos(x)) x *(1 + cos(x))*log(1 + cos(x))/
$$\left(- \left(\frac{\log{\left(x \right)} \sin{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right) \log{\left(\cos{\left(x \right)} + 1 \right)}} - \frac{2 \log{\left(\log{\left(\cos{\left(x \right)} + 1 \right)} \right)}}{x}\right)^{3} \log{\left(x \right)}^{3} + 3 \left(\frac{\log{\left(x \right)} \sin{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right) \log{\left(\cos{\left(x \right)} + 1 \right)}} - \frac{2 \log{\left(\log{\left(\cos{\left(x \right)} + 1 \right)} \right)}}{x}\right) \left(\frac{\log{\left(x \right)}^{2} \cos{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right) \log{\left(\cos{\left(x \right)} + 1 \right)}} + \frac{\log{\left(x \right)}^{2} \sin^{2}{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right)^{2} \log{\left(\cos{\left(x \right)} + 1 \right)}} + \frac{\log{\left(x \right)}^{2} \sin^{2}{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right)^{2} \log{\left(\cos{\left(x \right)} + 1 \right)}^{2}} + \frac{2 \log{\left(x \right)} \log{\left(\log{\left(\cos{\left(x \right)} + 1 \right)} \right)}}{x^{2}} + \frac{4 \log{\left(x \right)} \sin{\left(x \right)}}{x \left(\cos{\left(x \right)} + 1\right) \log{\left(\cos{\left(x \right)} + 1 \right)}} - \frac{2 \log{\left(\log{\left(\cos{\left(x \right)} + 1 \right)} \right)}}{x^{2}}\right) \log{\left(x \right)} + \frac{\log{\left(x \right)}^{2} \sin{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right) \log{\left(\cos{\left(x \right)} + 1 \right)}} - \frac{3 \log{\left(x \right)}^{2} \sin{\left(x \right)} \cos{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right)^{2} \log{\left(\cos{\left(x \right)} + 1 \right)}} - \frac{2 \log{\left(x \right)}^{2} \sin^{3}{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right)^{3} \log{\left(\cos{\left(x \right)} + 1 \right)}} - \frac{3 \log{\left(x \right)}^{2} \sin{\left(x \right)} \cos{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right)^{2} \log{\left(\cos{\left(x \right)} + 1 \right)}^{2}} - \frac{3 \log{\left(x \right)}^{2} \sin^{3}{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right)^{3} \log{\left(\cos{\left(x \right)} + 1 \right)}^{2}} - \frac{2 \log{\left(x \right)}^{2} \sin^{3}{\left(x \right)}}{\left(\cos{\left(x \right)} + 1\right)^{3} \log{\left(\cos{\left(x \right)} + 1 \right)}^{3}} - \frac{6 \log{\left(x \right)} \cos{\left(x \right)}}{x \left(\cos{\left(x \right)} + 1\right) \log{\left(\cos{\left(x \right)} + 1 \right)}} - \frac{6 \log{\left(x \right)} \sin^{2}{\left(x \right)}}{x \left(\cos{\left(x \right)} + 1\right)^{2} \log{\left(\cos{\left(x \right)} + 1 \right)}} + \frac{4 \log{\left(x \right)} \log{\left(\log{\left(\cos{\left(x \right)} + 1 \right)} \right)}}{x^{3}} - \frac{6 \log{\left(x \right)} \sin^{2}{\left(x \right)}}{x \left(\cos{\left(x \right)} + 1\right)^{2} \log{\left(\cos{\left(x \right)} + 1 \right)}^{2}} + \frac{6 \log{\left(x \right)} \sin{\left(x \right)}}{x^{2} \left(\cos{\left(x \right)} + 1\right) \log{\left(\cos{\left(x \right)} + 1 \right)}} - \frac{6 \log{\left(\log{\left(\cos{\left(x \right)} + 1 \right)} \right)}}{x^{3}} - \frac{6 \sin{\left(x \right)}}{x^{2} \left(\cos{\left(x \right)} + 1\right) \log{\left(\cos{\left(x \right)} + 1 \right)}}\right) \log{\left(\cos{\left(x \right)} + 1 \right)}^{\log{\left(x \right)}^{2}}$$