The direction cosines of x-axis are (A) ...

The direction cosines of x-axis are (A) 0,0,1 (B) 1,0,0 (C) 0,1,0 (D) 0,1,1

A

`1,0,0`

B

`0,1,0`

C

`0,0,1`

D

`1,1,1`

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The correct Answer is:

A

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