A line makes angles with the coordinate axis. If
0
None of these
As learnt in
Direction Cosines -
If are the angles which a vector makes with positive X-axis,Y-axis and Z-axis respectively then are known as diresction cosines, generally denoted by (l,m,n).
- wherein
we have,
Now,
So,
Option 1)
0
This option is incorrect
Option 2)
This option is correct
Option 3)
This option is incorrect
Option 4)
None of these
This option is incorrect