# An easy one so, Find it if you can.-

Geometry Level 4

The curve $$x^{2}$$ - $$y^{2}$$ = 5 and $$\frac{ x^{2}}{18}$$ + $$\frac{y^{2}}{8}$$ = 1 cut each other at an angle α .
Then find $$\frac {3}{2}$$ tan$$\frac{α}{6}$$ .

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