TR-45: Polar Coordinates (Trigonometry Series by Dennis F. Davis)
Polar coordinates, converting between Cartesian and Polar coordinates, atan2 and arctan2 inverse trig functions. Pole, polar axis, polar angle.
International A level, Intl A Level, IAL, Edexcel, Pearson exam board, CIE, Cambridge exam board, P3, P2, Year 10, Class 11