Home
Class 12
MATHS
Find the direction cosines of a line whi...

Find the direction cosines of a line which makes equal angles with the coordinate axes.

A

`(pm 1 , pm 1 , pm1)`

B

`(pm(1)/(sqrt(2)),pm(1)/(sqrt(2)),pm (1)/(sqrt(2)))`

C

`(+m(1)/(sqrt(3)),pm (1)/(sqrt(3)), pm (1)/(sqrt(3)))`

D

`(pm 1/2 , pm 1/2, pm 1/2)`

Text Solution

Verified by Experts

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • THREE DIMENSIONAL GEOMETRY

    KUMAR PRAKASHAN|Exercise MULTIPLE CHOICE QUESTIONS (MCQs)|173 Videos
  • RELATIONS AND FUNCTIONS

    KUMAR PRAKASHAN|Exercise Practice Paper - 1 (Section - D)|2 Videos
  • VECTOR ALGEBRA

    KUMAR PRAKASHAN|Exercise Practice Paper - 10 (Section-D)|2 Videos

Similar Questions

Explore conceptually related problems

What are the direction cosines of a line which is equally inclined to the axes?

Find the direction cosines of x, y and z- axis.

The direction cosines of two lines are 1, -2,-2 and 0, 2, 1. Find the direction cosines of the line which is perpendicular to both the lines,

Find the direction cosine of line which is perpendicular to the lines with direction ratio [1, -2, -2] and [0, 2, 1].

Find the equation of a line which makes an angle of 135^(@) with the x-axis and passes through the point (3,5).

Find the equation of a line that cuts off equal intercepts on the coordinate axes and passes through the point (2, 3) .

Find the equation of a line that cuts off equal intercepts on the coordinate axes and passes through the point (2,3).

Find the direction cosines of a vector vec( r ) which is equall inclined with OX, OY and OZ.

Find the direction cosines of a vector r which is equally inclined to OX, OY and OZ. If |r| is given, find the total number of such vectors.

If O is the origin and A is (a, b, c), then find the direction cosines of the line OA and the equation of plane through A at right angle to OA.