# Unusual Identity

Geometry Level 3

If

$(4 {\cos}^2({9}^{\circ})-3)\times(4 {\cos}^2({27}^{\circ})-3) = \tan({x}^{\circ})$

Where $$x^\circ$$ is in between $$0^\circ$$ and $$90^\circ$$. Evaluate $$x^2$$ (in degrees)

×