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y=x*arctg^2(sin2x)

Derivada de y=x*arctg^2(sin2x)

Función f() - derivada -er orden en el punto
v

Gráfico:

interior superior

Definida a trozos:

Solución

Ha introducido [src]
      2          
x*atan (sin(2*x))
$$x \operatorname{atan}^{2}{\left(\sin{\left(2 x \right)} \right)}$$
x*atan(sin(2*x))^2
Gráfica
Primera derivada [src]
    2             4*x*atan(sin(2*x))*cos(2*x)
atan (sin(2*x)) + ---------------------------
                                2            
                         1 + sin (2*x)       
$$\frac{4 x \cos{\left(2 x \right)} \operatorname{atan}{\left(\sin{\left(2 x \right)} \right)}}{\sin^{2}{\left(2 x \right)} + 1} + \operatorname{atan}^{2}{\left(\sin{\left(2 x \right)} \right)}$$
Segunda derivada [src]
  /                            /                               2               2                             \\
  |                            |                            cos (2*x)     2*cos (2*x)*atan(sin(2*x))*sin(2*x)||
8*|atan(sin(2*x))*cos(2*x) - x*|atan(sin(2*x))*sin(2*x) - ------------- + -----------------------------------||
  |                            |                                 2                          2                ||
  \                            \                          1 + sin (2*x)              1 + sin (2*x)           //
---------------------------------------------------------------------------------------------------------------
                                                        2                                                      
                                                 1 + sin (2*x)                                                 
$$\frac{8 \left(- x \left(\sin{\left(2 x \right)} \operatorname{atan}{\left(\sin{\left(2 x \right)} \right)} + \frac{2 \sin{\left(2 x \right)} \cos^{2}{\left(2 x \right)} \operatorname{atan}{\left(\sin{\left(2 x \right)} \right)}}{\sin^{2}{\left(2 x \right)} + 1} - \frac{\cos^{2}{\left(2 x \right)}}{\sin^{2}{\left(2 x \right)} + 1}\right) + \cos{\left(2 x \right)} \operatorname{atan}{\left(\sin{\left(2 x \right)} \right)}\right)}{\sin^{2}{\left(2 x \right)} + 1}$$
3-я производная [src]
   /        2                                         /                     2                            2                            2                      2         2                                     \                 2                             \
   |   3*cos (2*x)                                    |  3*sin(2*x)    6*sin (2*x)*atan(sin(2*x))   2*cos (2*x)*atan(sin(2*x))   6*cos (2*x)*sin(2*x)   8*cos (2*x)*sin (2*x)*atan(sin(2*x))                 |            6*cos (2*x)*atan(sin(2*x))*sin(2*x)|
-8*|- ------------- + 3*atan(sin(2*x))*sin(2*x) + 2*x*|------------- - -------------------------- + -------------------------- + -------------------- - ------------------------------------ + atan(sin(2*x))|*cos(2*x) + -----------------------------------|
   |         2                                        |       2                     2                            2                                2                              2                           |                              2                |
   |  1 + sin (2*x)                                   |1 + sin (2*x)         1 + sin (2*x)                1 + sin (2*x)            /       2     \                /       2     \                            |                       1 + sin (2*x)           |
   \                                                  \                                                                            \1 + sin (2*x)/                \1 + sin (2*x)/                            /                                               /
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                               2                                                                                                                              
                                                                                                                        1 + sin (2*x)                                                                                                                         
$$- \frac{8 \left(2 x \left(\operatorname{atan}{\left(\sin{\left(2 x \right)} \right)} - \frac{6 \sin^{2}{\left(2 x \right)} \operatorname{atan}{\left(\sin{\left(2 x \right)} \right)}}{\sin^{2}{\left(2 x \right)} + 1} + \frac{3 \sin{\left(2 x \right)}}{\sin^{2}{\left(2 x \right)} + 1} + \frac{2 \cos^{2}{\left(2 x \right)} \operatorname{atan}{\left(\sin{\left(2 x \right)} \right)}}{\sin^{2}{\left(2 x \right)} + 1} - \frac{8 \sin^{2}{\left(2 x \right)} \cos^{2}{\left(2 x \right)} \operatorname{atan}{\left(\sin{\left(2 x \right)} \right)}}{\left(\sin^{2}{\left(2 x \right)} + 1\right)^{2}} + \frac{6 \sin{\left(2 x \right)} \cos^{2}{\left(2 x \right)}}{\left(\sin^{2}{\left(2 x \right)} + 1\right)^{2}}\right) \cos{\left(2 x \right)} + 3 \sin{\left(2 x \right)} \operatorname{atan}{\left(\sin{\left(2 x \right)} \right)} + \frac{6 \sin{\left(2 x \right)} \cos^{2}{\left(2 x \right)} \operatorname{atan}{\left(\sin{\left(2 x \right)} \right)}}{\sin^{2}{\left(2 x \right)} + 1} - \frac{3 \cos^{2}{\left(2 x \right)}}{\sin^{2}{\left(2 x \right)} + 1}\right)}{\sin^{2}{\left(2 x \right)} + 1}$$
Tercera derivada [src]
   /        2                                         /                     2                            2                            2                      2         2                                     \                 2                             \
   |   3*cos (2*x)                                    |  3*sin(2*x)    6*sin (2*x)*atan(sin(2*x))   2*cos (2*x)*atan(sin(2*x))   6*cos (2*x)*sin(2*x)   8*cos (2*x)*sin (2*x)*atan(sin(2*x))                 |            6*cos (2*x)*atan(sin(2*x))*sin(2*x)|
-8*|- ------------- + 3*atan(sin(2*x))*sin(2*x) + 2*x*|------------- - -------------------------- + -------------------------- + -------------------- - ------------------------------------ + atan(sin(2*x))|*cos(2*x) + -----------------------------------|
   |         2                                        |       2                     2                            2                                2                              2                           |                              2                |
   |  1 + sin (2*x)                                   |1 + sin (2*x)         1 + sin (2*x)                1 + sin (2*x)            /       2     \                /       2     \                            |                       1 + sin (2*x)           |
   \                                                  \                                                                            \1 + sin (2*x)/                \1 + sin (2*x)/                            /                                               /
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                               2                                                                                                                              
                                                                                                                        1 + sin (2*x)                                                                                                                         
$$- \frac{8 \left(2 x \left(\operatorname{atan}{\left(\sin{\left(2 x \right)} \right)} - \frac{6 \sin^{2}{\left(2 x \right)} \operatorname{atan}{\left(\sin{\left(2 x \right)} \right)}}{\sin^{2}{\left(2 x \right)} + 1} + \frac{3 \sin{\left(2 x \right)}}{\sin^{2}{\left(2 x \right)} + 1} + \frac{2 \cos^{2}{\left(2 x \right)} \operatorname{atan}{\left(\sin{\left(2 x \right)} \right)}}{\sin^{2}{\left(2 x \right)} + 1} - \frac{8 \sin^{2}{\left(2 x \right)} \cos^{2}{\left(2 x \right)} \operatorname{atan}{\left(\sin{\left(2 x \right)} \right)}}{\left(\sin^{2}{\left(2 x \right)} + 1\right)^{2}} + \frac{6 \sin{\left(2 x \right)} \cos^{2}{\left(2 x \right)}}{\left(\sin^{2}{\left(2 x \right)} + 1\right)^{2}}\right) \cos{\left(2 x \right)} + 3 \sin{\left(2 x \right)} \operatorname{atan}{\left(\sin{\left(2 x \right)} \right)} + \frac{6 \sin{\left(2 x \right)} \cos^{2}{\left(2 x \right)} \operatorname{atan}{\left(\sin{\left(2 x \right)} \right)}}{\sin^{2}{\left(2 x \right)} + 1} - \frac{3 \cos^{2}{\left(2 x \right)}}{\sin^{2}{\left(2 x \right)} + 1}\right)}{\sin^{2}{\left(2 x \right)} + 1}$$
Gráfico
Derivada de y=x*arctg^2(sin2x)