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z=ctg^2*(3*x+5*y)-e^(x*y) la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
       2               x*y
z = cot (3*x + 5*y) - E   
$$z = - e^{x y} + \cot^{2}{\left(3 x + 5 y \right)}$$
Gráfica
Respuesta rápida [src]
                                                                                                              2                                                        2                                                           
       /   re(x*y)                  2*sin(6*re(x) + 10*re(y))*sinh(6*im(x) + 10*im(y))  \                  sin (6*re(x) + 10*re(y))                                sinh (6*im(x) + 10*im(y))                                re(x*y)
z1 = I*|- e       *sin(im(x*y)) + ------------------------------------------------------| + ------------------------------------------------------ - ------------------------------------------------------ - cos(im(x*y))*e       
       |                                                                               2|                                                        2                                                        2                        
       \                          (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y))) /   (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y)))    (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y)))                         
$$z_{1} = i \left(- e^{\operatorname{re}{\left(x y\right)}} \sin{\left(\operatorname{im}{\left(x y\right)} \right)} + \frac{2 \sin{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} \sinh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}}{\left(\cos{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} - \cosh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}\right)^{2}}\right) - e^{\operatorname{re}{\left(x y\right)}} \cos{\left(\operatorname{im}{\left(x y\right)} \right)} + \frac{\sin^{2}{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)}}{\left(\cos{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} - \cosh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}\right)^{2}} - \frac{\sinh^{2}{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}}{\left(\cos{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} - \cosh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}\right)^{2}}$$
z1 = i*(-exp(re(x*y))*sin(im(x*y)) + 2*sin(6*re(x) + 10*re(y))*sinh(6*im(x) + 10*im(y))/(cos(6*re(x) + 10*re(y)) - cosh(6*im(x) + 10*im(y)))^2) - exp(re(x*y))*cos(im(x*y)) + sin(6*re(x) + 10*re(y))^2/(cos(6*re(x) + 10*re(y)) - cosh(6*im(x) + 10*im(y)))^2 - sinh(6*im(x) + 10*im(y))^2/(cos(6*re(x) + 10*re(y)) - cosh(6*im(x) + 10*im(y)))^2
Suma y producto de raíces [src]
suma
                                                                                                         2                                                        2                                                           
  /   re(x*y)                  2*sin(6*re(x) + 10*re(y))*sinh(6*im(x) + 10*im(y))  \                  sin (6*re(x) + 10*re(y))                                sinh (6*im(x) + 10*im(y))                                re(x*y)
I*|- e       *sin(im(x*y)) + ------------------------------------------------------| + ------------------------------------------------------ - ------------------------------------------------------ - cos(im(x*y))*e       
  |                                                                               2|                                                        2                                                        2                        
  \                          (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y))) /   (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y)))    (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y)))                         
$$i \left(- e^{\operatorname{re}{\left(x y\right)}} \sin{\left(\operatorname{im}{\left(x y\right)} \right)} + \frac{2 \sin{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} \sinh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}}{\left(\cos{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} - \cosh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}\right)^{2}}\right) - e^{\operatorname{re}{\left(x y\right)}} \cos{\left(\operatorname{im}{\left(x y\right)} \right)} + \frac{\sin^{2}{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)}}{\left(\cos{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} - \cosh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}\right)^{2}} - \frac{\sinh^{2}{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}}{\left(\cos{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} - \cosh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}\right)^{2}}$$
=
                                                                                                         2                                                        2                                                           
  /   re(x*y)                  2*sin(6*re(x) + 10*re(y))*sinh(6*im(x) + 10*im(y))  \                  sin (6*re(x) + 10*re(y))                                sinh (6*im(x) + 10*im(y))                                re(x*y)
I*|- e       *sin(im(x*y)) + ------------------------------------------------------| + ------------------------------------------------------ - ------------------------------------------------------ - cos(im(x*y))*e       
  |                                                                               2|                                                        2                                                        2                        
  \                          (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y))) /   (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y)))    (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y)))                         
$$i \left(- e^{\operatorname{re}{\left(x y\right)}} \sin{\left(\operatorname{im}{\left(x y\right)} \right)} + \frac{2 \sin{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} \sinh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}}{\left(\cos{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} - \cosh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}\right)^{2}}\right) - e^{\operatorname{re}{\left(x y\right)}} \cos{\left(\operatorname{im}{\left(x y\right)} \right)} + \frac{\sin^{2}{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)}}{\left(\cos{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} - \cosh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}\right)^{2}} - \frac{\sinh^{2}{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}}{\left(\cos{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} - \cosh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}\right)^{2}}$$
producto
                                                                                                         2                                                        2                                                           
  /   re(x*y)                  2*sin(6*re(x) + 10*re(y))*sinh(6*im(x) + 10*im(y))  \                  sin (6*re(x) + 10*re(y))                                sinh (6*im(x) + 10*im(y))                                re(x*y)
I*|- e       *sin(im(x*y)) + ------------------------------------------------------| + ------------------------------------------------------ - ------------------------------------------------------ - cos(im(x*y))*e       
  |                                                                               2|                                                        2                                                        2                        
  \                          (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y))) /   (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y)))    (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y)))                         
$$i \left(- e^{\operatorname{re}{\left(x y\right)}} \sin{\left(\operatorname{im}{\left(x y\right)} \right)} + \frac{2 \sin{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} \sinh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}}{\left(\cos{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} - \cosh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}\right)^{2}}\right) - e^{\operatorname{re}{\left(x y\right)}} \cos{\left(\operatorname{im}{\left(x y\right)} \right)} + \frac{\sin^{2}{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)}}{\left(\cos{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} - \cosh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}\right)^{2}} - \frac{\sinh^{2}{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}}{\left(\cos{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} - \cosh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}\right)^{2}}$$
=
 /    2                          2                         /                                                                                                           2  re(x*y)             \                                                        2               re(x*y)\ 
-\sinh (6*im(x) + 10*im(y)) - sin (6*re(x) + 10*re(y)) + I*\-2*sin(6*re(x) + 10*re(y))*sinh(6*im(x) + 10*im(y)) + (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y))) *e       *sin(im(x*y))/ + (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y))) *cos(im(x*y))*e       / 
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                                                                                                                                                                  2                                                                                                             
                                                                                                             (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y)))                                                                                                              
$$- \frac{i \left(\left(\cos{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} - \cosh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}\right)^{2} e^{\operatorname{re}{\left(x y\right)}} \sin{\left(\operatorname{im}{\left(x y\right)} \right)} - 2 \sin{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} \sinh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}\right) + \left(\cos{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} - \cosh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}\right)^{2} e^{\operatorname{re}{\left(x y\right)}} \cos{\left(\operatorname{im}{\left(x y\right)} \right)} - \sin^{2}{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} + \sinh^{2}{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}}{\left(\cos{\left(6 \operatorname{re}{\left(x\right)} + 10 \operatorname{re}{\left(y\right)} \right)} - \cosh{\left(6 \operatorname{im}{\left(x\right)} + 10 \operatorname{im}{\left(y\right)} \right)}\right)^{2}}$$
-(sinh(6*im(x) + 10*im(y))^2 - sin(6*re(x) + 10*re(y))^2 + i*(-2*sin(6*re(x) + 10*re(y))*sinh(6*im(x) + 10*im(y)) + (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y)))^2*exp(re(x*y))*sin(im(x*y))) + (-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y)))^2*cos(im(x*y))*exp(re(x*y)))/(-cosh(6*im(x) + 10*im(y)) + cos(6*re(x) + 10*re(y)))^2