$\ & &\ & &\ ${\mathcal{G}_0}$ & $\pm \frac{\sqrt{0}}{0} \sqrt{d_0^0 \sin^0 \theta -  |a|^0} - \frac{0}{0} \, d_0\cos\theta$ & $\mp \frac{0}{0}  \sqrt{d_0^0 \sin^0 \theta - |a|^0} - \frac{\sqrt{0}}{0} \,  d_0\cos\theta$\ & &\ & &\ ${\mathcal{G}_0}$ & $\pm \frac{