A) 1
B) \[\frac{1}{\sqrt{2}}\]
C) \[\frac{1}{\sqrt{3}}\]
D) \[\frac{1}{2}\]
Correct Answer: C
Solution :
[c]: Direction cosines of the line, Then, \[\cos \alpha =\frac{3}{\sqrt{9+9+9}}=\frac{1}{\sqrt{3}}.\]You need to login to perform this action.
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