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Find the direction cosines of the vector...

Find the direction cosines of the vector 'hati+2 hatj+3 hatk'

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The direction cosines are
`1/sqrt(1^2+2^2+3^2), 2/sqrt(1^2+2^2+3^2), 3/sqrt(1^2+2^2+3^2)`
i.e.,` 1/sqrt(14),2/sqrt(14 ,3/sqrt(14)`
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A N EXCEL PUBLICATION-VECTOR ALGEBRA-QUESTION BANK
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