MCQ
The direction cosines of Y -axis are
  • $0,1,0$
  • B
    $1,0,0$
  • C
    $0,0,1$
  • D
    $0,1,1$

Answer

Correct option: A.
$0,1,0$
(A) The d.c.s of Y -axis are $\cos 90^{\circ}, \cos 0^{\circ}, \cos 90^{\circ}$
i.e. $0,1,0$

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