direction cosine

noun Mathematics.

the cosine of the angle made by a given vector and a coordinate axis.

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Nearby words

directed angle, directed verdict, directed-energy device, direction, direction angle, direction cosine, direction finder, direction number, directional, directional derivative, directional drilling

Compare direction angle.

Origin of direction cosine

First recorded in 1890–95

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019