logo

Ask Questions, Get Answers

 
X
 Search
Want to ask us a question? Click here
Browse Questions
Ad
0 votes

The angle between the lines whose direction cosines satisfy the equations $1+m+n=0$ and $1^2=m^2+n^2$ is

$\begin{array}{1 1}(A)\;\large\frac{\pi}{3}\\ (B)\;\large\frac{\pi}{4} \\(C)\;\large\frac{\pi}{6}\\(D)\;\large\frac{\pi}{2} \end{array} $

Can you answer this question?
 
 

1 Answer

0 votes
The angle between the lines whose direction cosines satisfy the equations $1+m+n=0$ and $1^2=m^2+n^2$ is $\large\frac{\pi}{3}$
Hence A is the correct answer.
answered Apr 7, 2014 by meena.p
 

Related questions

Ask Question
student study plans
x
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...