Solve for α, β
\alpha =2\pi n_{1}+\pi +\arcsin(\frac{3}{5})\text{, }n_{1}\in \mathrm{Z}\text{, }\beta =2\pi n_{3}+\arccos(\frac{4}{5})\text{, }n_{3}\in \mathrm{Z}
\alpha =2\pi n_{1}+\pi +\arcsin(\frac{3}{5})\text{, }n_{1}\in \mathrm{Z}\text{, }\beta =2\pi n_{4}+2\pi -\arccos(\frac{4}{5})\text{, }n_{4}\in \mathrm{Z}
\alpha =2\pi n_{2}+\arcsin(\frac{3}{5})\text{, }n_{2}\in \mathrm{Z}\text{, }\beta =2\pi n_{3}+\arccos(\frac{4}{5})\text{, }n_{3}\in \mathrm{Z}
\alpha =2\pi n_{2}+\arcsin(\frac{3}{5})\text{, }n_{2}\in \mathrm{Z}\text{, }\beta =2\pi n_{4}+2\pi -\arccos(\frac{4}{5})\text{, }n_{4}\in \mathrm{Z}
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