AP EAMCET201725 Apr 2017Evening ShiftMathematicsThree Dimensional GeometryActual
If the direction cosines l, m, n of two lines are satisfying the relations l+m+n=0 , l m=0 , then the angle between those two lines is
Options
- A0
- B2
- C4
- D3
Correct answer
D. 3
Step-by-step solution
No solution. Refer to answer key.