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The direction cosines of the vector \(\overrightarrow{i}+3\overrightarrow{j}+2\overrightarrow{k}\) are(A) \(\frac{1}{\sqrt{14}},\frac{3}{\sqrt{14}},\frac{2}{\sqrt{14}}\)(B) \(\frac{3}{\sqrt{14}},\frac{1}{\sqrt{14}},\frac{1}{\sqrt{14}}\)(C) \(\frac{1}{\sqrt{14}},\frac{2}{\sqrt{14}},\frac{3}{\sqrt{14}}\)(D) none of these |
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Answer» Correct option is: (A) \(\frac{1}{\sqrt{14}},\frac{3}{\sqrt{14}},\frac{2}{\sqrt{14}}\) |
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