Three Dimensional Geometry

If a line \(\mathrm{L}\) is the line of intersection of the planes \(2 x+3 y+z=1\) and \(x+3 y+2 z=2\). If line \(\mathrm{L}\) makes an angle \(\alpha\) with the positive \(\mathrm{X}\)-axis, then the value of \(\sec \alpha\) is