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MHT CET202016 Oct 2020Evening ShiftMathematicsThree Dimensional GeometryActual

The direction co-sines of the line which bisects the angle between positive direction of Y and Z axes are

Options

  1. A1 2 , 0, 1 2
  2. B1 2 , 1 2 , 0
  3. C0, 1 2 , 1 2
  4. D1 2 , 1 2 , 1 2

Correct answer

C. 0, 1 2 , 1 2

Step-by-step solution

(C) Vector parallel to bisector of angle between positive Y and Z direction. = j + k and its magnitude is 1+1 = 2 Direction cosines = (0, 1 2 , 1 2 )

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