Maths

The projection of a line on axes are 6,2,3. What will the direction cosines of the lines be?

  1. 👍
  2. 👎
  3. 👁
  1. 6^2 + 2^2 + 3^2 = 49

    so the direction cosines are
    (6/7 , 2/7, 3/7)

    notice that (6/7)^2 + (2/7)^2 + (3/7)^2 = 1

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    A body is projected such that the horizontal range is twice the maximum height of projection. Find the angle of projection; and the time of flight if the velocity of projection is 5m/s

  2. maths(direction cosines of vectors)

    find the direction cosines of the vector joining the two points (4,2,2,) & (7,6,14) (this is new to me, used to think it was just one point not two.)

  3. Math

    A straight line x/a -y/b =1 passes through the point (8,6) and cuts off a triangle of area 12 units from the axes of coordinates .find the equation of straight line

  4. calculus

    what is the equation of the circle whose centre lies on the line x-2y+2=0 and which touches the positive axes.

  1. Calculus

    Graph the function f(x)=x+4/x Graph the secant line that passes through the points (1,5) and (8,8.5) on the same set of axes Find the number c that satisfies the conclusion of the Mean Value Theorem for f on [1,8] c= Notice that

  2. calculus

    Find the point on the curve y =2/3 〖√(18-x^2 )〗 (first quadrant) where a tangent line may be drawn so that the area of the triangle formed by the tangent line and the coordinate axes is a minimum.

  3. math

    On the portion of the straight line x+y-7=0 which is intercepted between the axes a square is constructed on the side og the line away from the origin then find the equqtions of the diagonals?

  4. Straight Lines

    The axes being inclined at an angle of 30°, find the equation to the straight line which passes through the point(-2,3) and is perpendicular to the straight line y + 3x = 6

  1. Geography

    The most accurate way to show Earth's continents and bodies of water is with a(an)? 1) Mercator projection 2) globe 3) Robinson projection 4) equal-area map I think #3

  2. Need help with projection map

    Which map projection is most useful for navigation, especially near the equator. Explain The map projection that is most useful for navigation would be the Mercator Projection because near the equator the shapes and sizes of

  3. Calculus

    A line has Cartesian equation 3x-2y+3=0 .Determine a direction vector for a line that is parallel to this line. Could someone explain to me why the answer is direction vector: d=(2,3)

  4. math

    Find the projection of the line 3x – y +2z – 1 = 0, x +2y – z = 2 on the plane 3x + 2y +z = 0.

You can view more similar questions or ask a new question.