Home
Class 12
MATHS
If a line makes equal angles with coordi...

If a line makes equal angles with coordinates axes its direction - cosines are.

A

`lt(1)/(sqrt(3)),(-1)/(sqrt(3)),(1)/(sqrt(3))gt`

B

`ltpm(1)/(sqrt(3)),pm(-1)/(sqrt(3)),pm(1)/(sqrt(3))gt`

C

`lt0,0,0gt`

D

`lt1,1,1gt`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • THREE DIMENSIONAL GEOMETRY

    BETTER CHOICE PUBLICATION|Exercise PREVIOUS YEARS BOARD.S QUESTION FOR PRACTICE |60 Videos

  • THREE DIMENSIONAL GEOMETRY

    BETTER CHOICE PUBLICATION|Exercise ASSIGNMENT MOST IMPORTANT QUESTIONS FOR PRACTICE (SECTION VIII) Long Answer Type Questions |24 Videos

  • RELATIONS AND FUNCTIONS

    BETTER CHOICE PUBLICATION|Exercise PREVIOUS YEARS BOARD.S QUESTIONS FOR PRACTICE |43 Videos

  • VECTOR ALGEBRA

    BETTER CHOICE PUBLICATION|Exercise PREVIOUS YEARS BOARD.S QUESTIONS FOR PRACTICE (MCQ)|46 Videos

Similar Questions

Explore conceptually related problems

What are the direction cosines ?

Can be the direction cosines of a line?

Direction cosines of hat i are ‘

If a line makes an angle of pi/4 with the positive directions of each of x-axis and y-axis, then the angle that the line makes with the positive direction of z-axis is

Direction cosines of x-axis are

Find the direction cosine of a line which makes equal angles with the co-ordinate axes.

If a line has direction ratios lt-2,-1,2gt then its direction - cosines are