Question

Direction ratios of a line ard2, 3, -6. Then
direction cosines of a line making obtuse



angle with the y-axis are​

Answer 1

Answer:

2/7i , 3/7j , -6/7k

Step-by-step explanation:

direction ratio is divided by the sum of square of root of all the direction ratio.

Answer 2

Answer:

in y axis coordinates are 0,b,0

direction cosine of line makes cos alpha + cos beta +cos gamma directins cosine are 0,1,0