tangerine=sin(gerine)/cos(gerine)

Geometry Level 2

Calculate \[ \frac{ 9 \cot^2 60^\circ + \sec ^2 45 ^\circ - 4 \sin 90^\circ } { 3 \tan^2 30^\circ + \csc^2 45^\circ - \tan 45^\circ }. \]

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