Sr Examen

Otras calculadoras


y=arctg*x/2*cosx^3

Derivada de y=arctg*x/2*cosx^3

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

Gráfico:

interior superior

Definida a trozos:

Solución

Ha introducido [src]
atan(x)    3   
-------*cos (x)
   2           
$$\frac{\operatorname{atan}{\left(x \right)}}{2} \cos^{3}{\left(x \right)}$$
(atan(x)/2)*cos(x)^3
Gráfica
Primera derivada [src]
    3             2                  
 cos (x)     3*cos (x)*atan(x)*sin(x)
---------- - ------------------------
  /     2\              2            
2*\1 + x /                           
$$- \frac{3 \sin{\left(x \right)} \cos^{2}{\left(x \right)} \operatorname{atan}{\left(x \right)}}{2} + \frac{\cos^{3}{\left(x \right)}}{2 \left(x^{2} + 1\right)}$$
Segunda derivada [src]
/  /     2           2   \                2                     \       
|3*\- cos (x) + 2*sin (x)/*atan(x)   x*cos (x)   3*cos(x)*sin(x)|       
|--------------------------------- - --------- - ---------------|*cos(x)
|                2                           2             2    |       
|                                    /     2\         1 + x     |       
\                                    \1 + x /                   /       
$$\left(- \frac{x \cos^{2}{\left(x \right)}}{\left(x^{2} + 1\right)^{2}} + \frac{3 \left(2 \sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \operatorname{atan}{\left(x \right)}}{2} - \frac{3 \sin{\left(x \right)} \cos{\left(x \right)}}{x^{2} + 1}\right) \cos{\left(x \right)}$$
Tercera derivada [src]
        /         2 \                                                                                                     
   3    |      4*x  |                                                                                                     
cos (x)*|-1 + ------|                                                                                                     
        |          2|     /       2           2   \                    /     2           2   \                 2          
        \     1 + x /   3*\- 7*cos (x) + 2*sin (x)/*atan(x)*sin(x)   9*\- cos (x) + 2*sin (x)/*cos(x)   9*x*cos (x)*sin(x)
--------------------- - ------------------------------------------ + -------------------------------- + ------------------
              2                             2                                     /     2\                          2     
      /     2\                                                                  2*\1 + x /                  /     2\      
      \1 + x /                                                                                              \1 + x /      
$$\frac{9 x \sin{\left(x \right)} \cos^{2}{\left(x \right)}}{\left(x^{2} + 1\right)^{2}} - \frac{3 \left(2 \sin^{2}{\left(x \right)} - 7 \cos^{2}{\left(x \right)}\right) \sin{\left(x \right)} \operatorname{atan}{\left(x \right)}}{2} + \frac{9 \left(2 \sin^{2}{\left(x \right)} - \cos^{2}{\left(x \right)}\right) \cos{\left(x \right)}}{2 \left(x^{2} + 1\right)} + \frac{\left(\frac{4 x^{2}}{x^{2} + 1} - 1\right) \cos^{3}{\left(x \right)}}{\left(x^{2} + 1\right)^{2}}$$
Gráfico
Derivada de y=arctg*x/2*cosx^3