Filed from 5 published puzzles

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