- #1
paragchitnis
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Co-ordinate axes can be drawn on plane or in space. In case of plane geometry (2D-geometry) the two axes, X-axis and Y-axis, can be rotated through some angle. For this transformation of axes we get the relation between the co-ordinates of a point in old and new system. Is this transformation is possible in 3D geometry (Rotation of X,Y,Z-axes)? If yes, then will it affect the numerical value of Directed Cosines of a fixed line?