# If the angle between the line    and  the plane Option 1) 2/5 Option 2) 5/3 Option 3) 2/3 Option 4) 3/2

Answers (1)

As learnt in

Angle between two lines (Vector form ) -

Let the two lines be  .The angle between two lines will be equal to angle between their parallel vectors .

-

Projection of a line segment on a line -

Projection of line segment joining the points P(x1,y1,z1) and Q(x2,y2,z2) on a line having direction cosines (l,m,n) is

- wherein

Then,

Option 1)

2/5

Incorrect option

Option 2)

5/3

Incorrect option

Option 3)

2/3

Correct option

Option 4)

3/2

Incorrect option

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