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the direction cosines of a line equally ...

the direction cosines of a line equally inclined to the co-ordinate axes are:

A

`1,1,1`

B

`1/sqrt2, 1/sqrt2, 1/sqrt2`

C

`+-1/3, +-1/3, +-1/3`

D

`+-1/sqrt3, +-1/sqrt3, +-1/sqrt3`

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The correct Answer is:
D
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JMD PUBLICATION- A Gift paper from the publishers-Example
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