Introduction to 3DHard
Question
The angle between a diagonal of unit cube and an edge is
Options
A.cos−1 
B.cos−1 
C.sin−1
D.tan−1
More Introduction to 3D Questions
The co-ordinates of points A, B, C, D are respectively (4, 1, 2); (5, a, 0) ;(2,1, 1) and (3, 3, −1), if AB is per...If points (2, 0, −1) ; (3, 2, −2) and (5, 6, λ) are collinear then λ equal to -...The planes x = cy + bz, y = az + cx, z = bx + ay pass through one line, if...The projections of a line segment on x, y, z axes are 12, 4, 3. The length and the direction cosines of the line segment...The points trisecting the line segment joining the points (0, 0, 0) and (6, 9, 12) are -...