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If a line makes angle 90o, 60oand 30owi...

If a line makes angle `90o`, `60o`and `30o`with the positive direction of x, y and z-axis respectively, find its direction cosines.

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
B
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