Gjej x (complex solution)
x=\frac{2i\ln(\sqrt{y^{2}-1}+y)+\pi }{2}+2\pi n_{1}\text{, }n_{1}\in \mathrm{Z}
x=\frac{2i\ln(-\sqrt{y^{2}-1}+y)+\pi }{2}+2\pi n_{2}\text{, }n_{2}\in \mathrm{Z}
Gjej y (complex solution)
y=\frac{e^{ix-\frac{\pi i}{2}}+e^{-ix+\frac{\pi i}{2}}}{2}
Gjej x
x=\frac{-2\arccos(y)+4\pi n_{1}+\pi }{2}\text{, }n_{1}\in \mathrm{Z}
x=\frac{2\arccos(y)+4\pi n_{2}+\pi }{2}\text{, }n_{2}\in \mathrm{Z}
Gjej y
y=\cos(\frac{\pi -2x}{2})
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