Published by:
CGP EDU Academic Team
Published on: August 11, 2026
If a unit vector 
makes angles 
with 
with 
and 
with 
, then a value of 
is:
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Let 
be direction cosines of a.
, 
and 
⇒ 
⇒ cos 
= 
or 
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