Solve for x
x=1+2n_{8}\pi +ArcCosI(e^{\frac{1}{2}y})\text{, }n_{8}\in \mathrm{Z}\text{, }\exists n_{35}\in \mathrm{Z}\text{ : }\left(n_{8}>\frac{1}{4}+\frac{1}{2}n_{35}\text{ and }not(n_{8}>\frac{3}{4}+\frac{1}{2}n_{35})\right)
x=\pi n_{325}+1+\left(-1\right)ArcCosI(e^{\frac{1}{2}y})\text{, }n_{325}\in \mathrm{Z}
x=1+\left(-1\right)\pi +ArcCosI(e^{\frac{1}{2}y})+2\pi n_{60}\text{, }n_{60}\in \mathrm{Z}
Solve for y
y=\ln(\left(\cos(1-x)\right)^{2})
\nexists n_{1}\in \mathrm{Z}\text{ : }x=\pi n_{1}+\frac{\pi }{2}+1
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