c 3 o 1 s 1 i 1 n 1 e 1
6 letters · 8 points in Scrabble
Meaning
noun ratio of the adjacent side to the hypotenuse of a right-angled triangle
originFrom co- + sine, short for complementi sinus in Latin, meaning “sine of the complement”. Doublet of cosinus.
Etymology from Wiktionary, CC BY-SA 3.0