Cari nilai x
\left\{\begin{matrix}x=-i\ln(\frac{-2i\sin(y)-\sqrt{2}\sqrt{\cos(2y)+20\sin(y)-49}+10i}{2})+2\pi n_{1}\text{, }n_{1}\in \mathrm{Z}\text{, }&\frac{-2i\sin(y)-\sqrt{2}\sqrt{\cos(2y)+20\sin(y)-49}+10i}{2}\neq 0\\x=-i\ln(\frac{-2i\sin(y)+\sqrt{2}\sqrt{\cos(2y)+20\sin(y)-49}+10i}{2})+2\pi n_{2}\text{, }n_{2}\in \mathrm{Z}\text{, }&\frac{-2i\sin(y)+\sqrt{2}\sqrt{\cos(2y)+20\sin(y)-49}+10i}{2}\neq 0\end{matrix}\right,
Cari nilai y
\left\{\begin{matrix}y=-i\ln(\frac{-2i\sin(x)-\sqrt{2}\sqrt{\cos(2x)+20\sin(x)-49}+10i}{2})+2\pi n_{1}\text{, }n_{1}\in \mathrm{Z}\text{, }&\frac{-2i\sin(x)-\sqrt{2}\sqrt{\cos(2x)+20\sin(x)-49}+10i}{2}\neq 0\\y=-i\ln(\frac{-2i\sin(x)+\sqrt{2}\sqrt{\cos(2x)+20\sin(x)-49}+10i}{2})+2\pi n_{2}\text{, }n_{2}\in \mathrm{Z}\text{, }&\frac{-2i\sin(x)+\sqrt{2}\sqrt{\cos(2x)+20\sin(x)-49}+10i}{2}\neq 0\end{matrix}\right,
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