Home › TS EAMCET › Mathematics › Coordinate Geometry: Direction Cosines and Direction Ratios › Direction cosines give an easy way to represent …
Direction cosines give an easy way to represent which feature of a vector in Cartesian space?
AIts direction
BIts magnitude
CIts starting point
DIts time of travel
Answer & Solution
Correct answer: A. Its direction
They describe orientation relative to the axes while saying nothing about length.
Related questions
The convention for the angle theta between two vectors restricts it to which range?Unit vectors u and v have direction cosines (1/3, 2/3, 2/3) and (2/3, 1/3, -2/3). What is If l, m, n are direction cosines of a line, which relation always holds?For the vector (1, 2, 2), what is the direction cosine with respect to the z-axis?A vector has components 2, 3 and 6 along the axes. What is its direction cosine with the xA vector makes angles with the three positive coordinate axes. What are the cosines of theA line makes acute angles of 60 degrees with the x and y axes. Its angle with the z-axis iA line is perpendicular to both the x-axis and the y-axis. Its direction cosines are: