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y=ln(sinxcosx/(e^x)(2^x))

Derivative of y=ln(sinxcosx/(e^x)(2^x))

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

The graph:

from to

Piecewise:

The solution

You have entered [src]
   /               x\
   |sin(x)*cos(x)*2 |
log|----------------|
   |        x       |
   \       e        /
$$\log{\left(\frac{2^{x} \sin{\left(x \right)} \cos{\left(x \right)}}{e^{x}} \right)}$$
  /   /               x\\
d |   |sin(x)*cos(x)*2 ||
--|log|----------------||
dx|   |        x       ||
  \   \       e        //
$$\frac{d}{d x} \log{\left(\frac{2^{x} \sin{\left(x \right)} \cos{\left(x \right)}}{e^{x}} \right)}$$
Detail solution
  1. Let .

  2. The derivative of is .

  3. Then, apply the chain rule. Multiply by :

    1. Apply the quotient rule, which is:

      and .

      To find :

      1. Apply the product rule:

        ; to find :

        ; to find :

        1. The derivative of cosine is negative sine:

        ; to find :

        1. The derivative of sine is cosine:

        The result is:

      To find :

      1. The derivative of is itself.

      Now plug in to the quotient rule:

    The result of the chain rule is:

  4. Now simplify:


The answer is:

The graph
The first derivative [src]
 -x / x    2     -x    x    2     -x    x         -x           x         -x              \  x
2  *\2 *cos (x)*e   - 2 *sin (x)*e   - 2 *cos(x)*e  *sin(x) + 2 *cos(x)*e  *log(2)*sin(x)/*e 
---------------------------------------------------------------------------------------------
                                        cos(x)*sin(x)                                        
$$\frac{2^{- x} \left(- 2^{x} e^{- x} \sin^{2}{\left(x \right)} - 2^{x} e^{- x} \sin{\left(x \right)} \cos{\left(x \right)} + 2^{x} e^{- x} \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + 2^{x} e^{- x} \cos^{2}{\left(x \right)}\right) e^{x}}{\sin{\left(x \right)} \cos{\left(x \right)}}$$
The second derivative [src]
   2         2                                                2         2                                                2         2                                                    2           2           2                  2                                  2                                             /   2         2                                          \       
sin (x) - cos (x) + cos(x)*sin(x) - cos(x)*log(2)*sin(x)   sin (x) - cos (x) + cos(x)*sin(x) - cos(x)*log(2)*sin(x)   sin (x) - cos (x) + cos(x)*sin(x) - cos(x)*log(2)*sin(x)   - 2*sin (x) + 2*cos (x) - 2*cos (x)*log(2) + 2*sin (x)*log(2) + 3*cos(x)*sin(x) - log (2)*cos(x)*sin(x) + 2*cos(x)*log(2)*sin(x)   \sin (x) - cos (x) + cos(x)*sin(x) - cos(x)*log(2)*sin(x)/*log(2)
-------------------------------------------------------- - -------------------------------------------------------- - -------------------------------------------------------- - -------------------------------------------------------------------------------------------------------------------------------- + -----------------------------------------------------------------
                           2                                                          2                                                    cos(x)*sin(x)                                                                                  cos(x)*sin(x)                                                                                       cos(x)*sin(x)                          
                        sin (x)                                                    cos (x)                                                                                                                                                                                                                                                                                           
$$- \frac{\sin^{2}{\left(x \right)} - \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin{\left(x \right)} \cos{\left(x \right)} - \cos^{2}{\left(x \right)}}{\cos^{2}{\left(x \right)}} - \frac{\sin^{2}{\left(x \right)} - \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin{\left(x \right)} \cos{\left(x \right)} - \cos^{2}{\left(x \right)}}{\sin{\left(x \right)} \cos{\left(x \right)}} + \frac{\left(\sin^{2}{\left(x \right)} - \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin{\left(x \right)} \cos{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \log{\left(2 \right)}}{\sin{\left(x \right)} \cos{\left(x \right)}} + \frac{\sin^{2}{\left(x \right)} - \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin{\left(x \right)} \cos{\left(x \right)} - \cos^{2}{\left(x \right)}}{\sin^{2}{\left(x \right)}} - \frac{- 2 \sin^{2}{\left(x \right)} + 2 \log{\left(2 \right)} \sin^{2}{\left(x \right)} - \log{\left(2 \right)}^{2} \sin{\left(x \right)} \cos{\left(x \right)} + 2 \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + 3 \sin{\left(x \right)} \cos{\left(x \right)} - 2 \log{\left(2 \right)} \cos^{2}{\left(x \right)} + 2 \cos^{2}{\left(x \right)}}{\sin{\left(x \right)} \cos{\left(x \right)}}$$
The third derivative [src]
    /   2         2                                          \     /       2           2           2                  2                                  2                                          \     /   2         2                                          \     /       2           2           2                  2                                  2                                          \      2         2           2                  2       2           2       2           2                                   3                                                  2                       2         2                                               /       2           2           2                  2                                  2                                          \     /   2         2                                          \            /   2         2                                          \            /   2         2                                          \            /   2         2                                          \             2    /   2         2                                          \     /   2         2                                          \            /       2           2           2                  2                                  2                                          \       
  2*\sin (x) - cos (x) + cos(x)*sin(x) - cos(x)*log(2)*sin(x)/   2*\- 2*sin (x) + 2*cos (x) - 2*cos (x)*log(2) + 2*sin (x)*log(2) + 3*cos(x)*sin(x) - log (2)*cos(x)*sin(x) + 2*cos(x)*log(2)*sin(x)/   2*\sin (x) - cos (x) + cos(x)*sin(x) - cos(x)*log(2)*sin(x)/   2*\- 2*sin (x) + 2*cos (x) - 2*cos (x)*log(2) + 2*sin (x)*log(2) + 3*cos(x)*sin(x) - log (2)*cos(x)*sin(x) + 2*cos(x)*log(2)*sin(x)/   sin (x) - cos (x) - 6*cos (x)*log(2) - 3*log (2)*sin (x) + 3*cos (x)*log (2) + 6*sin (x)*log(2) + 11*cos(x)*sin(x) + log (2)*cos(x)*sin(x) - 9*cos(x)*log(2)*sin(x) - 3*log (2)*cos(x)*sin(x)   sin (x) - cos (x) + cos(x)*sin(x) - cos(x)*log(2)*sin(x)   2*\- 2*sin (x) + 2*cos (x) - 2*cos (x)*log(2) + 2*sin (x)*log(2) + 3*cos(x)*sin(x) - log (2)*cos(x)*sin(x) + 2*cos(x)*log(2)*sin(x)/   2*\sin (x) - cos (x) + cos(x)*sin(x) - cos(x)*log(2)*sin(x)/*sin(x)   2*\sin (x) - cos (x) + cos(x)*sin(x) - cos(x)*log(2)*sin(x)/*cos(x)   2*\sin (x) - cos (x) + cos(x)*sin(x) - cos(x)*log(2)*sin(x)/*log(2)   2*\sin (x) - cos (x) + cos(x)*sin(x) - cos(x)*log(2)*sin(x)/*log(2)   log (2)*\sin (x) - cos (x) + cos(x)*sin(x) - cos(x)*log(2)*sin(x)/   2*\sin (x) - cos (x) + cos(x)*sin(x) - cos(x)*log(2)*sin(x)/*log(2)   2*\- 2*sin (x) + 2*cos (x) - 2*cos (x)*log(2) + 2*sin (x)*log(2) + 3*cos(x)*sin(x) - log (2)*cos(x)*sin(x) + 2*cos(x)*log(2)*sin(x)/*log(2)
- ------------------------------------------------------------ - ------------------------------------------------------------------------------------------------------------------------------------ + ------------------------------------------------------------ + ------------------------------------------------------------------------------------------------------------------------------------ + --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - -------------------------------------------------------- - ------------------------------------------------------------------------------------------------------------------------------------ - ------------------------------------------------------------------- - ------------------------------------------------------------------- - ------------------------------------------------------------------- + ------------------------------------------------------------------- - ------------------------------------------------------------------ + ------------------------------------------------------------------- + -------------------------------------------------------------------------------------------------------------------------------------------
                               2                                                                                                  2                                                                                                  2                                                                                                  2                                                                                                                                                             cos(x)*sin(x)                                                                                                                cos(x)*sin(x)                                                                                    cos(x)*sin(x)                                                                                                3                                                                     3                                                                     2                                                                     2                                                              cos(x)*sin(x)                                                         cos(x)*sin(x)                                                                                             cos(x)*sin(x)                                                               
                            cos (x)                                                                                            cos (x)                                                                                            sin (x)                                                                                            sin (x)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  cos (x)                                                               sin (x)                                                               sin (x)                                                               cos (x)                                                                                                                                                                                                                                                                                                                       
$$- \frac{2 \left(\sin^{2}{\left(x \right)} - \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin{\left(x \right)} \cos{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \sin{\left(x \right)}}{\cos^{3}{\left(x \right)}} - \frac{2 \left(\sin^{2}{\left(x \right)} - \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin{\left(x \right)} \cos{\left(x \right)} - \cos^{2}{\left(x \right)}\right)}{\cos^{2}{\left(x \right)}} + \frac{2 \left(\sin^{2}{\left(x \right)} - \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin{\left(x \right)} \cos{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \log{\left(2 \right)}}{\cos^{2}{\left(x \right)}} - \frac{\sin^{2}{\left(x \right)} - \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin{\left(x \right)} \cos{\left(x \right)} - \cos^{2}{\left(x \right)}}{\sin{\left(x \right)} \cos{\left(x \right)}} - \frac{\left(\sin^{2}{\left(x \right)} - \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin{\left(x \right)} \cos{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \log{\left(2 \right)}^{2}}{\sin{\left(x \right)} \cos{\left(x \right)}} + \frac{2 \left(\sin^{2}{\left(x \right)} - \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin{\left(x \right)} \cos{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \log{\left(2 \right)}}{\sin{\left(x \right)} \cos{\left(x \right)}} - \frac{2 \left(\sin^{2}{\left(x \right)} - \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin{\left(x \right)} \cos{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \log{\left(2 \right)}}{\sin^{2}{\left(x \right)}} + \frac{2 \left(\sin^{2}{\left(x \right)} - \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin{\left(x \right)} \cos{\left(x \right)} - \cos^{2}{\left(x \right)}\right)}{\sin^{2}{\left(x \right)}} - \frac{2 \left(\sin^{2}{\left(x \right)} - \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + \sin{\left(x \right)} \cos{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \cos{\left(x \right)}}{\sin^{3}{\left(x \right)}} - \frac{2 \left(- 2 \sin^{2}{\left(x \right)} + 2 \log{\left(2 \right)} \sin^{2}{\left(x \right)} - \log{\left(2 \right)}^{2} \sin{\left(x \right)} \cos{\left(x \right)} + 2 \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + 3 \sin{\left(x \right)} \cos{\left(x \right)} - 2 \log{\left(2 \right)} \cos^{2}{\left(x \right)} + 2 \cos^{2}{\left(x \right)}\right)}{\cos^{2}{\left(x \right)}} - \frac{2 \left(- 2 \sin^{2}{\left(x \right)} + 2 \log{\left(2 \right)} \sin^{2}{\left(x \right)} - \log{\left(2 \right)}^{2} \sin{\left(x \right)} \cos{\left(x \right)} + 2 \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + 3 \sin{\left(x \right)} \cos{\left(x \right)} - 2 \log{\left(2 \right)} \cos^{2}{\left(x \right)} + 2 \cos^{2}{\left(x \right)}\right)}{\sin{\left(x \right)} \cos{\left(x \right)}} + \frac{2 \left(- 2 \sin^{2}{\left(x \right)} + 2 \log{\left(2 \right)} \sin^{2}{\left(x \right)} - \log{\left(2 \right)}^{2} \sin{\left(x \right)} \cos{\left(x \right)} + 2 \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + 3 \sin{\left(x \right)} \cos{\left(x \right)} - 2 \log{\left(2 \right)} \cos^{2}{\left(x \right)} + 2 \cos^{2}{\left(x \right)}\right) \log{\left(2 \right)}}{\sin{\left(x \right)} \cos{\left(x \right)}} + \frac{2 \left(- 2 \sin^{2}{\left(x \right)} + 2 \log{\left(2 \right)} \sin^{2}{\left(x \right)} - \log{\left(2 \right)}^{2} \sin{\left(x \right)} \cos{\left(x \right)} + 2 \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} + 3 \sin{\left(x \right)} \cos{\left(x \right)} - 2 \log{\left(2 \right)} \cos^{2}{\left(x \right)} + 2 \cos^{2}{\left(x \right)}\right)}{\sin^{2}{\left(x \right)}} + \frac{- 3 \log{\left(2 \right)}^{2} \sin^{2}{\left(x \right)} + \sin^{2}{\left(x \right)} + 6 \log{\left(2 \right)} \sin^{2}{\left(x \right)} - 9 \log{\left(2 \right)} \sin{\left(x \right)} \cos{\left(x \right)} - 3 \log{\left(2 \right)}^{2} \sin{\left(x \right)} \cos{\left(x \right)} + \log{\left(2 \right)}^{3} \sin{\left(x \right)} \cos{\left(x \right)} + 11 \sin{\left(x \right)} \cos{\left(x \right)} - 6 \log{\left(2 \right)} \cos^{2}{\left(x \right)} - \cos^{2}{\left(x \right)} + 3 \log{\left(2 \right)}^{2} \cos^{2}{\left(x \right)}}{\sin{\left(x \right)} \cos{\left(x \right)}}$$
The graph
Derivative of y=ln(sinxcosx/(e^x)(2^x))