Question

i) If a line has direction cosines
2/3,-1/3,-2/3
determine its direction ratios.
please help me fast❤❤​

Answer 1

Answer:

The direction ratio of the line are proportional to 2,−1,−2. So, its direction cosines are

2

2

+(−1)

2

+(−2)

2

2

,

2

2

+(−1)

2

+(−2)

2

−1

,

2

2

+(−1)

2

+(−2)

2

−2

or,

3

2

,

3

−1

,

3

−2