Direction cosines and Direction Ratios in 3D - Definitions & Examples
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Direction Ratios. If a, b,
Direction Ratios. If a, b, c are three numbers proportional to the direction cosine l, m, n of a straight line, then a, b, c are called its direction ratios. They are also called direction numbers or direction components. where the same sign either positive or negative is to be chosen throughout.
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در تاریخ 1398/08/15 منتشر شده
است.
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