Find the direction cosines of the sides of the triangle whose vertices are(3, 5, – 4), (– 1, 1, 2) a

Exercise 11.1 | Q. No.5 | Class12-Chapter11 | MATHS || NCERT SOLUTIONS | THREE DIMENSIONAL GEOMETRY | Class 12th

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