Crossword Genius

Trig abbr. (3)

Ross

I believe the answer is:

cos

(Other definitions for cos that I've seen before include "Islanders here" , "providing unsatisfactory explanation?" , "foreign island" , "Casual as" , "holiday destination" .)

I've seen this clue in the Penny Press.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.