COSINE
Set to 3 different clues across 5 published puzzles, most often “Trig function” — The New York Times, Wednesday, 3 November 2010.
6 letters
Every clue on record, most used first
- Trig function3 times
The New York Times — Wednesday, 3 November 2010
- Math functiononce
The New York Times — Saturday, 4 October 2003
- Math figureonce
The New York Times — Friday, 29 July 1994