Mister Exam

Derivative of (ctg3x)^cos4x

Function f() - derivative -N order at the point
v

The graph:

from to

Piecewise:

The solution

You have entered [src]
   cos(4*x)     
cot        (3*x)
$$\cot^{\cos{\left(4 x \right)}}{\left(3 x \right)}$$
cot(3*x)^cos(4*x)
Detail solution
  1. Don't know the steps in finding this derivative.

    But the derivative is


The answer is:

The graph
The first derivative [src]
                 /                            /          2     \         \
   cos(4*x)      |                            \-3 - 3*cot (3*x)/*cos(4*x)|
cot        (3*x)*|-4*log(cot(3*x))*sin(4*x) + ---------------------------|
                 \                                      cot(3*x)         /
$$\left(\frac{\left(- 3 \cot^{2}{\left(3 x \right)} - 3\right) \cos{\left(4 x \right)}}{\cot{\left(3 x \right)}} - 4 \log{\left(\cot{\left(3 x \right)} \right)} \sin{\left(4 x \right)}\right) \cot^{\cos{\left(4 x \right)}}{\left(3 x \right)}$$
The second derivative [src]
                 /                                                       2                                                                              2                                       \
                 |/                             /       2     \         \                                                                /       2     \                /       2     \         |
   cos(4*x)      ||                           3*\1 + cot (3*x)/*cos(4*x)|                                   /       2     \            9*\1 + cot (3*x)/ *cos(4*x)   24*\1 + cot (3*x)/*sin(4*x)|
cot        (3*x)*||4*log(cot(3*x))*sin(4*x) + --------------------------|  - 16*cos(4*x)*log(cot(3*x)) + 18*\1 + cot (3*x)/*cos(4*x) - --------------------------- + ---------------------------|
                 |\                                    cot(3*x)         /                                                                          2                           cot(3*x)         |
                 \                                                                                                                              cot (3*x)                                       /
$$\left(\left(\frac{3 \left(\cot^{2}{\left(3 x \right)} + 1\right) \cos{\left(4 x \right)}}{\cot{\left(3 x \right)}} + 4 \log{\left(\cot{\left(3 x \right)} \right)} \sin{\left(4 x \right)}\right)^{2} - \frac{9 \left(\cot^{2}{\left(3 x \right)} + 1\right)^{2} \cos{\left(4 x \right)}}{\cot^{2}{\left(3 x \right)}} + \frac{24 \left(\cot^{2}{\left(3 x \right)} + 1\right) \sin{\left(4 x \right)}}{\cot{\left(3 x \right)}} + 18 \left(\cot^{2}{\left(3 x \right)} + 1\right) \cos{\left(4 x \right)} - 16 \log{\left(\cot{\left(3 x \right)} \right)} \cos{\left(4 x \right)}\right) \cot^{\cos{\left(4 x \right)}}{\left(3 x \right)}$$
The third derivative [src]
                 /                                                         3                                                                                            /                                                                                                           2         \                                                                                         3                               2                               2                                        \
                 |  /                             /       2     \         \                                     /                             /       2     \         \ |                                                               /       2     \              /       2     \          |                                                                          /       2     \                 /       2     \                 /       2     \                 /       2     \         |
   cos(4*x)      |  |                           3*\1 + cot (3*x)/*cos(4*x)|        /       2     \              |                           3*\1 + cot (3*x)/*cos(4*x)| |     /       2     \                                        24*\1 + cot (3*x)/*sin(4*x)   9*\1 + cot (3*x)/ *cos(4*x)|                                   /       2     \                     54*\1 + cot (3*x)/ *cos(4*x)   108*\1 + cot (3*x)/ *cos(4*x)   108*\1 + cot (3*x)/ *sin(4*x)   144*\1 + cot (3*x)/*cos(4*x)|
cot        (3*x)*|- |4*log(cot(3*x))*sin(4*x) + --------------------------|  - 216*\1 + cot (3*x)/*sin(4*x) + 3*|4*log(cot(3*x))*sin(4*x) + --------------------------|*|- 18*\1 + cot (3*x)/*cos(4*x) + 16*cos(4*x)*log(cot(3*x)) - --------------------------- + ---------------------------| + 64*log(cot(3*x))*sin(4*x) - 108*\1 + cot (3*x)/*cos(4*x)*cot(3*x) - ---------------------------- + ----------------------------- + ----------------------------- + ----------------------------|
                 |  \                                    cot(3*x)         /                                     \                                    cot(3*x)         / |                                                                      cot(3*x)                        2              |                                                                                   3                             cot(3*x)                          2                            cot(3*x)          |
                 \                                                                                                                                                      \                                                                                                   cot (3*x)         /                                                                                cot (3*x)                                                       cot (3*x)                                         /
$$\left(- \left(\frac{3 \left(\cot^{2}{\left(3 x \right)} + 1\right) \cos{\left(4 x \right)}}{\cot{\left(3 x \right)}} + 4 \log{\left(\cot{\left(3 x \right)} \right)} \sin{\left(4 x \right)}\right)^{3} + 3 \left(\frac{3 \left(\cot^{2}{\left(3 x \right)} + 1\right) \cos{\left(4 x \right)}}{\cot{\left(3 x \right)}} + 4 \log{\left(\cot{\left(3 x \right)} \right)} \sin{\left(4 x \right)}\right) \left(\frac{9 \left(\cot^{2}{\left(3 x \right)} + 1\right)^{2} \cos{\left(4 x \right)}}{\cot^{2}{\left(3 x \right)}} - \frac{24 \left(\cot^{2}{\left(3 x \right)} + 1\right) \sin{\left(4 x \right)}}{\cot{\left(3 x \right)}} - 18 \left(\cot^{2}{\left(3 x \right)} + 1\right) \cos{\left(4 x \right)} + 16 \log{\left(\cot{\left(3 x \right)} \right)} \cos{\left(4 x \right)}\right) - \frac{54 \left(\cot^{2}{\left(3 x \right)} + 1\right)^{3} \cos{\left(4 x \right)}}{\cot^{3}{\left(3 x \right)}} + \frac{108 \left(\cot^{2}{\left(3 x \right)} + 1\right)^{2} \sin{\left(4 x \right)}}{\cot^{2}{\left(3 x \right)}} + \frac{108 \left(\cot^{2}{\left(3 x \right)} + 1\right)^{2} \cos{\left(4 x \right)}}{\cot{\left(3 x \right)}} - 216 \left(\cot^{2}{\left(3 x \right)} + 1\right) \sin{\left(4 x \right)} - 108 \left(\cot^{2}{\left(3 x \right)} + 1\right) \cos{\left(4 x \right)} \cot{\left(3 x \right)} + \frac{144 \left(\cot^{2}{\left(3 x \right)} + 1\right) \cos{\left(4 x \right)}}{\cot{\left(3 x \right)}} + 64 \log{\left(\cot{\left(3 x \right)} \right)} \sin{\left(4 x \right)}\right) \cot^{\cos{\left(4 x \right)}}{\left(3 x \right)}$$