Sr Examen

Derivada de y=-2arctgx+3tgx–9cosx

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

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Solución

Ha introducido [src]
-2*acot(x) + 3*tan(x) - 9*cos(x)
$$\left(3 \tan{\left(x \right)} - 2 \operatorname{acot}{\left(x \right)}\right) - 9 \cos{\left(x \right)}$$
-2*acot(x) + 3*tan(x) - 9*cos(x)
Gráfica
Primera derivada [src]
      2           2              
3 + ------ + 3*tan (x) + 9*sin(x)
         2                       
    1 + x                        
$$9 \sin{\left(x \right)} + 3 \tan^{2}{\left(x \right)} + 3 + \frac{2}{x^{2} + 1}$$
Segunda derivada [src]
              4*x        /       2   \       
9*cos(x) - --------- + 6*\1 + tan (x)/*tan(x)
                   2                         
           /     2\                          
           \1 + x /                          
$$- \frac{4 x}{\left(x^{2} + 1\right)^{2}} + 6 \left(\tan^{2}{\left(x \right)} + 1\right) \tan{\left(x \right)} + 9 \cos{\left(x \right)}$$
Tercera derivada [src]
                                       2                                    2  
                4         /       2   \          2    /       2   \     16*x   
-9*sin(x) - --------- + 6*\1 + tan (x)/  + 12*tan (x)*\1 + tan (x)/ + ---------
                    2                                                         3
            /     2\                                                  /     2\ 
            \1 + x /                                                  \1 + x / 
$$\frac{16 x^{2}}{\left(x^{2} + 1\right)^{3}} + 6 \left(\tan^{2}{\left(x \right)} + 1\right)^{2} + 12 \left(\tan^{2}{\left(x \right)} + 1\right) \tan^{2}{\left(x \right)} - 9 \sin{\left(x \right)} - \frac{4}{\left(x^{2} + 1\right)^{2}}$$
Gráfico
Derivada de y=-2arctgx+3tgx–9cosx