Réitigh do a_2.
\left\{\begin{matrix}a_{2}=-\frac{\alpha \cot(\alpha _{3})}{c}\text{, }&\exists n_{2}\in \mathrm{Z}\text{ : }\left(\alpha _{3}>\frac{\pi n_{2}}{2}\text{ and }\alpha _{3}<\frac{\pi n_{2}}{2}+\frac{\pi }{2}\right)\text{ and }c\neq 0\\a_{2}\in \mathrm{R}\text{, }&\left(c=0\text{ or }\exists n_{1}\in \mathrm{Z}\text{ : }\alpha _{3}=\pi n_{1}\right)\text{ and }\exists n_{3}\in \mathrm{Z}\text{ : }\left(\alpha _{3}>\pi n_{3}+\frac{\pi }{2}\text{ and }\alpha _{3}<\pi n_{3}+\frac{3\pi }{2}\right)\text{ and }\alpha =0\end{matrix}\right.
Réitigh do c.
\left\{\begin{matrix}c=-\frac{\alpha \cot(\alpha _{3})}{a_{2}}\text{, }&\exists n_{2}\in \mathrm{Z}\text{ : }\left(\alpha _{3}>\frac{\pi n_{2}}{2}\text{ and }\alpha _{3}<\frac{\pi n_{2}}{2}+\frac{\pi }{2}\right)\text{ and }a_{2}\neq 0\\c\in \mathrm{R}\text{, }&\left(a_{2}=0\text{ or }\exists n_{1}\in \mathrm{Z}\text{ : }\alpha _{3}=\pi n_{1}\right)\text{ and }\exists n_{3}\in \mathrm{Z}\text{ : }\left(\alpha _{3}>\pi n_{3}+\frac{\pi }{2}\text{ and }\alpha _{3}<\pi n_{3}+\frac{3\pi }{2}\right)\text{ and }\alpha =0\end{matrix}\right.
Roinn
Cóipeáladh go dtí an ghearrthaisce
a_{2}c\tan(-\alpha _{3})=\alpha
Athraigh na taobhanna ionas go mbeidh na téarmaí inathraitheacha ar fad ar an taobh clé.
c\tan(-\alpha _{3})a_{2}=\alpha
Tá an chothromóid i bhfoirm chaighdeánach.
\frac{c\tan(-\alpha _{3})a_{2}}{c\tan(-\alpha _{3})}=\frac{\alpha }{c\tan(-\alpha _{3})}
Roinn an dá thaobh faoi c\tan(-\alpha _{3}).
a_{2}=\frac{\alpha }{c\tan(-\alpha _{3})}
Má roinntear é faoi c\tan(-\alpha _{3}) cuirtear an iolrúchán faoi c\tan(-\alpha _{3}) ar ceal.
a_{2}=-\frac{\alpha \cot(\alpha _{3})}{c}
Roinn \alpha faoi c\tan(-\alpha _{3}).
a_{2}c\tan(-\alpha _{3})=\alpha
Athraigh na taobhanna ionas go mbeidh na téarmaí inathraitheacha ar fad ar an taobh clé.
a_{2}\tan(-\alpha _{3})c=\alpha
Tá an chothromóid i bhfoirm chaighdeánach.
\frac{a_{2}\tan(-\alpha _{3})c}{a_{2}\tan(-\alpha _{3})}=\frac{\alpha }{a_{2}\tan(-\alpha _{3})}
Roinn an dá thaobh faoi a_{2}\tan(-\alpha _{3}).
c=\frac{\alpha }{a_{2}\tan(-\alpha _{3})}
Má roinntear é faoi a_{2}\tan(-\alpha _{3}) cuirtear an iolrúchán faoi a_{2}\tan(-\alpha _{3}) ar ceal.
c=-\frac{\alpha \cot(\alpha _{3})}{a_{2}}
Roinn \alpha faoi a_{2}\tan(-\alpha _{3}).
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