Answer :
Direction ratio are given implies that we can write the parallel vector towards that line, lets consider the first parallel vector to be 
and second parallel vector be 
For the angle, we can use the formula 
For that, we need to find the magnitude of these vectors
The negative sign does not affect anything in cosine as cosine is positive in the fourth quadrant.
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
RELATED QUESTIONS :
If lines <span la
Mathematics - Board PapersFind the coordina
Mathematics - Board PapersState True or Fal
Mathematics - ExemplarThe sine of the a
Mathematics - ExemplarThe plane 2x – 3y
Mathematics - ExemplarMark against the
RS Aggarwal - MathematicsMark against the
RS Aggarwal - Mathematics