Answer:
x= 9/20 = .45
Step-by-step explanation:
20x=9
x= 9/20 = .45
Answer:
c correct
Step-by-step explanation:
Idk but ima try to figure it out ok
Answer:
Step-by-step explanation:
Given
Required:
Calculate the angle between u and v
The angle is calculated as thus:
For a vector
becomes
For a vector
So;
So:
Take arccos of both sides
<em></em><em> (approximated)</em>