For two vectors A and B, what is A.B (if they have angle ‚âà√≠¬¨¬± between them)?$

|A||B| cos‚âà√≠¬¨¬±

‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ(|A||B|) cos‚âà√≠¬¨¬±

|A||B| sin‚âà√≠¬¨¬±

For two vectors A and B, what is A.B (if they have angle ‚âà√≠

1.	For two vectors A and B, what is A.B (if they have angle ‚âà√≠¬¨¬± between them)?$
A.	\|A\|\|B\| cos‚âà√≠¬¨¬±
B.	\|A\|\|B\|
C.	‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ(\|A\|\|B\|) cos‚âà√≠¬¨¬±
D.	\|A\|\|B\| sin‚âà√≠¬¨¬±
Answer» B. \|A\|\|B\|