noun
polar coordinates
A coordinate system in mathematics where a point is determined by a distance from a reference point and an angle from a reference direction.
極座標では、点は (r, θ) で表される。
In polar coordinates, a point is represented by (r, θ).
この問題は極座標を使うと簡単に
This problem can be easily solved using polar coordinates.
From 極 (pole) + 座標 (coordinates). A straightforward compound describing a coordinate system based on a pole and polar axis.