Réitigh do x. (complex solution)
x=\frac{8\pi n_{1}+4\arctan(\sqrt{7})+\pi }{8}\text{, }n_{1}\in \mathrm{Z}
x=\frac{8\pi n_{2}-4\arctan(\sqrt{7})+9\pi }{8}\text{, }n_{2}\in \mathrm{Z}
Réitigh do x.
x=\frac{8\pi n_{1}+4\arccos(\frac{\sqrt{2}}{4})+\pi }{8}\text{, }n_{1}\in \mathrm{Z}
x=\frac{8\pi n_{2}-4\arccos(\frac{\sqrt{2}}{4})+9\pi }{8}\text{, }n_{2}\in \mathrm{Z}
Graf
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