1.

If the direction cosines of a line L are (ab, b,b) and the angle between L and X-axis is (pi)/(3) then a pair of possible values for a, b are

Answer»

`sqrt((2)/(3)), sqrt((3)/(8))`
`sqrt((8)/(3)), sqrt((2)/(3))`
2, 5
3, 4

ANSWER :A


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