Tan^-1(3\1.41421)

$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{tan}}^{\!\!\mathtt{-1}}{\left({\frac{{\mathtt{3}}}{{\mathtt{1.414\: \!21}}}}\right)} = {\mathtt{64.760\: \!653\: \!845\: \!422^{\circ}}}$$

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