Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Let a unit vector 
make angles 
and 
with the vectors 
and 
respectively.
, then 
is equal to
A
B
C
9
D
7
Text Solution
Verified by ExpertsThe correct answer is:
B
Unit vector 
Now angle between 
and 
Angle between 
and 
Angle between ûand 
from equation (i), (ii) and (iii) we get
Thus 
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