Polar-Vector-theta-r
Select two pair of XY columns, with the order theta r theta r.
Select Plot > Specialized: Polar Vector theta r theta r
PolarVect.otpu (All above are installed to the Origin program folder).
This is a XYXY vector in the polar coordinate, the XYXY columns contain the angle and radial coordinates of start and end points.
You can go to the Vector tab of Plot Details to customize the vectors.