MCQ
The direction cosines of the $y-$axis are:
  • A
    $(9, 0, 0)$
  • B
    $(1, 0, 0)$
  • $(0, 1, 0)$
  • D
    $(0, 0, 1)$

Answer

Correct option: C.
$(0, 1, 0)$

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