Find the direction cosines of a line whi...

Find the direction cosines of a line which makes equal angles with the coordinate axes.

A

`(pm 1 , pm 1 , pm1)`

B

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

C

`(+m(1)/(sqrt(3)),pm (1)/(sqrt(3)), pm (1)/(sqrt(3)))`

D

`(pm 1/2 , pm 1/2, pm 1/2)`

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