direction cosine

16 LETTERS · STARTS WITH D

direction cosine is a valid 16-letter word worth 20 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2I1R1E1C3T1I1O1N1C3O1S1I1N1E1

2 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does direction cosine mean?