
1) Alternative to degrees 2) Angle measures 3) Angular measures 4) Measures equal to 57+ degrees 5) Trig units 6) Units of angular measurement
Found on
https://www.crosswordclues.com/clue/radians

World War One Personnel French Aviator Paul Sauvage (aviator) {PD-US} Catalog #: 10_0017047 Title: World War One Personnel French Aviator Date: 1914-1918 Additional Information: World War One Personnel French Aviator Tags: World War One Personnel French Aviator , World War One Personnel French Aviator , 1914-1918 Repository: San Diego Air and Spac...
Found on
http://en.wikipedia.org/wiki/Radians
No exact match found.