Question

. The direction cosines of a vector A are
4
1
3
COS a =
517
cos B = and cos y =
12
5v2
then the vector A is
1) 4ỉ +j+3Â 2) 4î +5j+3ỉ
3) 4 - 59-3 4) i j -​

Answer 1

Explanation:

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