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The direction cosines of the vectors vec...

The direction cosines of the vectors `vec(PQ)` where `vec(PQ)` = (1, 0, -2) and `vec(OQ)` = (3, -2, 0) are

A

2,-2,2

B

4,-2,-2

C

`(1)/(sqrt(3)),-(1)/(sqrt(3)),(1)/(sqrt(3))`

D

`(2)/(sqrt(6)),-(1)/(sqrt(6)),-(1)/(sqrt(6))`

Text Solution

Verified by Experts

The correct Answer is:
C
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