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3+4*tan(x)=y*cot(x)+2*cot(x) la ecuación

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Solución numérica:

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Solución

Ha introducido [src]
3 + 4*tan(x) = y*cot(x) + 2*cot(x)
$$4 \tan{\left(x \right)} + 3 = y \cot{\left(x \right)} + 2 \cot{\left(x \right)}$$
Gráfica
Respuesta rápida [src]
         /    /        ___________\\     /    /        ___________\\
         |    |  3   \/ 41 + 16*y ||     |    |  3   \/ 41 + 16*y ||
x1 = I*im|atan|- - + -------------|| + re|atan|- - + -------------||
         \    \  8         8      //     \    \  8         8      //
$$x_{1} = \operatorname{re}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} - \frac{3}{8} \right)}\right)} + i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} - \frac{3}{8} \right)}\right)}$$
         /    /      ___________\\       /    /      ___________\\
         |    |3   \/ 41 + 16*y ||       |    |3   \/ 41 + 16*y ||
x2 = - re|atan|- + -------------|| - I*im|atan|- + -------------||
         \    \8         8      //       \    \8         8      //
$$x_{2} = - \operatorname{re}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} + \frac{3}{8} \right)}\right)} - i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} + \frac{3}{8} \right)}\right)}$$
x2 = -re(atan(sqrt(16*y + 41)/8 + 3/8)) - i*im(atan(sqrt(16*y + 41)/8 + 3/8))
Suma y producto de raíces [src]
suma
    /    /        ___________\\     /    /        ___________\\       /    /      ___________\\       /    /      ___________\\
    |    |  3   \/ 41 + 16*y ||     |    |  3   \/ 41 + 16*y ||       |    |3   \/ 41 + 16*y ||       |    |3   \/ 41 + 16*y ||
I*im|atan|- - + -------------|| + re|atan|- - + -------------|| + - re|atan|- + -------------|| - I*im|atan|- + -------------||
    \    \  8         8      //     \    \  8         8      //       \    \8         8      //       \    \8         8      //
$$\left(\operatorname{re}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} - \frac{3}{8} \right)}\right)} + i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} - \frac{3}{8} \right)}\right)}\right) + \left(- \operatorname{re}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} + \frac{3}{8} \right)}\right)} - i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} + \frac{3}{8} \right)}\right)}\right)$$
=
    /    /      ___________\\       /    /        ___________\\       /    /      ___________\\     /    /        ___________\\
    |    |3   \/ 41 + 16*y ||       |    |  3   \/ 41 + 16*y ||       |    |3   \/ 41 + 16*y ||     |    |  3   \/ 41 + 16*y ||
- re|atan|- + -------------|| + I*im|atan|- - + -------------|| - I*im|atan|- + -------------|| + re|atan|- - + -------------||
    \    \8         8      //       \    \  8         8      //       \    \8         8      //     \    \  8         8      //
$$\operatorname{re}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} - \frac{3}{8} \right)}\right)} - \operatorname{re}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} + \frac{3}{8} \right)}\right)} + i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} - \frac{3}{8} \right)}\right)} - i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} + \frac{3}{8} \right)}\right)}$$
producto
/    /    /        ___________\\     /    /        ___________\\\ /    /    /      ___________\\       /    /      ___________\\\
|    |    |  3   \/ 41 + 16*y ||     |    |  3   \/ 41 + 16*y ||| |    |    |3   \/ 41 + 16*y ||       |    |3   \/ 41 + 16*y |||
|I*im|atan|- - + -------------|| + re|atan|- - + -------------|||*|- re|atan|- + -------------|| - I*im|atan|- + -------------|||
\    \    \  8         8      //     \    \  8         8      /// \    \    \8         8      //       \    \8         8      ///
$$\left(\operatorname{re}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} - \frac{3}{8} \right)}\right)} + i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} - \frac{3}{8} \right)}\right)}\right) \left(- \operatorname{re}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} + \frac{3}{8} \right)}\right)} - i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} + \frac{3}{8} \right)}\right)}\right)$$
=
 /    /    /        ___________\\     /    /        ___________\\\ /    /    /      ___________\\     /    /      ___________\\\
 |    |    |  3   \/ 41 + 16*y ||     |    |  3   \/ 41 + 16*y ||| |    |    |3   \/ 41 + 16*y ||     |    |3   \/ 41 + 16*y |||
-|I*im|atan|- - + -------------|| + re|atan|- - + -------------|||*|I*im|atan|- + -------------|| + re|atan|- + -------------|||
 \    \    \  8         8      //     \    \  8         8      /// \    \    \8         8      //     \    \8         8      ///
$$- \left(\operatorname{re}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} - \frac{3}{8} \right)}\right)} + i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} - \frac{3}{8} \right)}\right)}\right) \left(\operatorname{re}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} + \frac{3}{8} \right)}\right)} + i \operatorname{im}{\left(\operatorname{atan}{\left(\frac{\sqrt{16 y + 41}}{8} + \frac{3}{8} \right)}\right)}\right)$$
-(i*im(atan(-3/8 + sqrt(41 + 16*y)/8)) + re(atan(-3/8 + sqrt(41 + 16*y)/8)))*(i*im(atan(3/8 + sqrt(41 + 16*y)/8)) + re(atan(3/8 + sqrt(41 + 16*y)/8)))