Home
Class 11
MATHS
Find the direction cosines of the sides ...

Find the direction cosines of the sides of the triangle whose vertices are (3,5,-4), (-1,1,2) and (-5,-5,-2).

Text Solution

Verified by Experts

The correct Answer is:
`((-2)/(sqrt(17)),(-2)/(sqrt(17)),(3)/(sqrt(17))),((-2)/(sqrt(17)),(-3)/(sqrt(17)),(-2)/(sqrt(17))),((4)/(sqrt(17)),(5)/(sqrt(17)),(1)/(sqrt(17))),`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • DIRECTION COSINES AND RATIOS

    AAKASH SERIES|Exercise EXERCISE - 7.1 (LONG ANSWER QUESTION)|8 Videos

  • DIRECTION COSINES AND RATIOS

    AAKASH SERIES|Exercise ADVANCED SUBJECTIVE TYPE QUESTIONS|8 Videos

  • DIRECTION COSINES AND RATIOS

    AAKASH SERIES|Exercise EXERCISE - 7.1 (VERY SHORT ANSWER QUESTION)|23 Videos

  • DIRECTION COSINES & RATIOS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|36 Videos

  • DOT PRODUCT OF TWO VECTORS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|57 Videos

Similar Questions

Explore conceptually related problems

Find the direction cosines of the sides of the triangles whose vertices are (3,5,-4)

Find the area of the triangle whose vertices are (3,8) ,(-4,2) and ( 5,1 )

Find the centroid of the triangle whose vertices are (5,4,6),(1,-1,3) and (4, 3, 2).

find the area of the triangle whose vertices are (-5, -1), (3, -5) and (5, 2)

Find the area of the triangle whose vertices are: (5, 2) (3, -5) and (-5, -1).

Find the orthocentre of the triangle whose vertices are (5,-2),(-1,2),(1,4) .

Find the circumcentre of the triangle whose vertices are (1,3) (-3,5) and (5,-1).

Find the incentre of the triangle, whose vertices are A(3,2) B(7,2) and C(7,5).

Find the area of the triangle whose vertices are A(1,2,3),B(2,3,1) and C(3,1,2) .

Find the circumcentre of the triangle whose vertices are (1,3),(-3,5) and (5,-1) .

Home
Profile