If 
and 
are two vectors of magnitudes 3 and 
respectively such that 
is a unit vector. Write the angle between 
and 
.
Angle between 
and 
.
Given, 
Also given, 
is a unit vector
i.e. 
.
∴Angle between 
and 
1
If and are two vectors of magnitudes 3 and respectively such that is a unit vector. Write the angle between and .
Angle between and .
Given,
Also given, is a unit vector
i.e. .
∴Angle between and