sin(y)*cos(x)=cos(y)*sin(x) la ecuación
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Solución
Solución detallada
Tenemos la ecuación
sin(y)cos(x)=sin(x)cos(y)cambiamos:
−cos(x)sin(x)cos(y)=−sin(y)o
−cos(y)tan(x)=−sin(y)es la ecuación trigonométrica más simple
Dividamos ambos miembros de la ecuación en -cos(y)
La ecuación se convierte en
tan(x)=−cos(y)sin(y)Esta ecuación se reorganiza en
x=πn+atan(−cos(y)sin(y))O
x=πn−atan(cos(y)sin(y)), donde n es cualquier número entero
Suma y producto de raíces
[src]
/ / 1 \\ / / 1 \\ / / /y\\\ / / /y\\\
- 2*re|atan|------|| - 2*I*im|atan|------|| + 2*re|atan|tan|-||| + 2*I*im|atan|tan|-|||
| | /y\|| | | /y\|| \ \ \2/// \ \ \2///
| |tan|-||| | |tan|-|||
\ \ \2/// \ \ \2///
(−2re(atan(tan(2y)1))−2iim(atan(tan(2y)1)))+(2re(atan(tan(2y)))+2iim(atan(tan(2y))))
/ / 1 \\ / / /y\\\ / / 1 \\ / / /y\\\
- 2*re|atan|------|| + 2*re|atan|tan|-||| - 2*I*im|atan|------|| + 2*I*im|atan|tan|-|||
| | /y\|| \ \ \2/// | | /y\|| \ \ \2///
| |tan|-||| | |tan|-|||
\ \ \2/// \ \ \2///
−2re(atan(tan(2y)1))+2re(atan(tan(2y)))−2iim(atan(tan(2y)1))+2iim(atan(tan(2y)))
/ / / 1 \\ / / 1 \\\ / / / /y\\\ / / /y\\\\
|- 2*re|atan|------|| - 2*I*im|atan|------|||*|2*re|atan|tan|-||| + 2*I*im|atan|tan|-||||
| | | /y\|| | | /y\||| \ \ \ \2/// \ \ \2////
| | |tan|-||| | |tan|-||||
\ \ \ \2/// \ \ \2////
(−2re(atan(tan(2y)1))−2iim(atan(tan(2y)1)))(2re(atan(tan(2y)))+2iim(atan(tan(2y))))
/ / / 1 \\ / / 1 \\\ / / / /y\\\ / / /y\\\\
-4*|I*im|atan|------|| + re|atan|------|||*|I*im|atan|tan|-||| + re|atan|tan|-||||
| | | /y\|| | | /y\||| \ \ \ \2/// \ \ \2////
| | |tan|-||| | |tan|-||||
\ \ \ \2/// \ \ \2////
−4(re(atan(tan(2y)1))+iim(atan(tan(2y)1)))(re(atan(tan(2y)))+iim(atan(tan(2y))))
-4*(i*im(atan(1/tan(y/2))) + re(atan(1/tan(y/2))))*(i*im(atan(tan(y/2))) + re(atan(tan(y/2))))
/ / 1 \\ / / 1 \\
x1 = - 2*re|atan|------|| - 2*I*im|atan|------||
| | /y\|| | | /y\||
| |tan|-||| | |tan|-|||
\ \ \2/// \ \ \2///
x1=−2re(atan(tan(2y)1))−2iim(atan(tan(2y)1))
/ / /y\\\ / / /y\\\
x2 = 2*re|atan|tan|-||| + 2*I*im|atan|tan|-|||
\ \ \2/// \ \ \2///
x2=2re(atan(tan(2y)))+2iim(atan(tan(2y)))
x2 = 2*re(atan(tan(y/2))) + 2*i*im(atan(tan(y/2)))