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