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y=arctg^2(cosx)

Derivada de y=arctg^2(cosx)

Función f() - derivada -er orden en el punto
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Gráfico:

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Solución

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