Direction Cosines are the Cosines Of the Angles of the angles between and the line and the coordinate Axis. If we have a vector (a,b,c) in space then two a=x2-x1,b=y2-y1 and c =z2-z1 are called the direction...
Trees, frames and gamesOften interactions are not simultaneous but sequential. For example, in Chess's game, the two players, White and Black, take turns moving pieces on the board, having full knowledge...