Class 12MathematicsTHREE DIMENSIONAL GEOMETRYSystem of co-ordinates, Direction cosines and direction ratios, Projection
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The coordinates of points in the $XY$-plane are of the form ...........
The coordinates of points in the $XY$-plane are of the form ...........
(N/A) In a three-dimensional coordinate system,any point in the $XY$-plane has its $z$-coordinate equal to $0$. Therefore,the coordinates of points in the $XY$-plane are of the form $(x, y, 0)$.
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