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MathNet 2013 Question 68

Math Olympiad Vault · MathNet 2013

Question 68

Find the values of $x$ in $(0,\pi)$ satisfying
$$(\sqrt{2014}-\sqrt{2013})^{\tan^2x}+(\sqrt{2014}+\sqrt{2013})^{-\tan^2x}=2(\sqrt{2014}-\sqrt{2013})^3.$$