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
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 direction cosine of a line which are perpendicular to the yz plane -...A line located in a space makes equal angle with the co-ordinate axis then the angle made by this line with any axis is ...If three consecutive vertices of a parallelogram are A (1, 2, 3), B (− 1, − 2, − 1) and C (2, 3, 2). I...If two pairs of opposite edges of a tetrahedron are perpendicular then -...