The direction consines of a line which l...

The direction consines of a line which lies in XZ-plane and making an angle of `30^(@)` with positive Z-axis are

A

`pm(1)/(2),0,pm(sqrt(3))/(2)`

B

`pm(sqrt(3))/(2),0,pm(1)/(2)`

C

`pm(1)/(2),0,pm(sqrt(3))/(4)`

D

`pm(sqrt(3))/(4),0,pm(1)/(2)`

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The correct Answer is:

A

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