Introduction to 3DHard
Question
The direction cosines of a line equally inclined with the coordinate axes are -
Options
A.(1, 1, 1) or (−1, −1, − 1)
B.
or 
or C.
or 
or D.none of these
More Introduction to 3D Questions
A line makes angle 45o, 60, and 60o with the coordinate axis, the projection of line segments on line which joins point ...Find the angle between the planes 2x − y + z = 6 and x + y + 2z = 3 is -...The lines = + λ( × ) and = + μ( × ) will intersect if...The equation of a line through (−2, 3, 4) and parallel to the planes 2x + 3y + 4z = 5 and 3x + 4y + 5z = 6 are...The distance between the planes x + 2y + 3z + 7 = 0 and 2x + 4y + 6z + 7 = 0 is -...