Question

Lero
The magnitude of two vectors A and B are
4 units respectively and the angle between them
30°. Find the value of A B. ​

Answer 1

Answer:

Hope this will work for you friend.

Answer 2

we that

vector A .vector B=|A|*|B|cos theta

given |A|=4 and |B|=4

theta=30°

vectorA.vectorB=4*4cos30°

vector A.vector B=16*root3/2=8root3