InterviewSolution
Saved Bookmarks
| 1. |
Prove that an angle between the pair of the lines joining the origin to the points of interesection of the line lx+my=1 with the curve x^(2)+y^(2)=a^(2) is 2cos^(-1)((1)/(a sqrt(l^(2)+m^(2)))) |
|
Answer» |
|