$$\frac{\sqrt{3}I(R\ \cos\ \theta+X\ \sin\ \theta)}{V_{r}}\times100$$
$\frac{100\sqrt{3}I\left(R\cos(\theta )+X\sin(\theta )\right)}{V_{r}}$
$\frac{100\sqrt{3}\left(R\cos(\theta )+X\sin(\theta )\right)}{V_{r}}$
