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The direction cosines of the vector 2hat...

The direction cosines of the vector `2hati+2hatj-hatk` are: a)`(2)/(3),(1)/(3),(1)/(3)` b)`(1)/(3),(1)/(3),(2)/(3)` c)`(1)/(3),(-2)/(3),(2)/(3)` d)`(2)/(3),(2)/(3),(-1)/(3)`

A

`2/3,1/3,1/3`

B

`1/3,1/3,2/3`

C

`1/3,(-2)/3,2/3`

D

`2/3,2/3,(-1)/3`

Text Solution

Verified by Experts

The correct Answer is:
D
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