Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The direction cosines 
of two lines are connected by the relations 
, then the angle between them is :
A
B
C
D
0
Text Solution
Verified by ExpertsThe correct answer is:
A
Given d.c's of two lines are 
connected by the relations 
and 
Now, 
and 
Therefore 
or and 
If 
, then 
and if 
then
and 
We know that angle between them
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