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The direction cosines of the straight line drawn through the points (2, 3, 4) and (1, 2, 4) are(A) \(\frac{1}{2},\frac{1}{2},0\)(B) \(\frac{1}{\sqrt{2}},\frac{1}{\sqrt{2}},0\)(C) \(\sqrt{2},\sqrt{2},0\)(D) \(\frac{1}{2},\frac{1}{3},\frac{1}{4}\) |
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Answer» Correct option is: (B) \(\frac{1}{\sqrt{2}},\frac{1}{\sqrt{2}},0\) |
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