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direction cosine
noun
Mathematics
.
the cosine of the angle made by a given vector and a coordinate axis.
Compare
direction angle
.
Origin of direction cosine
First recorded in 1890–95
Words nearby direction cosine
directed angle
,
directed verdict
,
directed-energy device
,
direction
,
direction angle
,
direction cosine
,
direction finder
,
direction number
,
directional
,
directional derivative
,
directional drilling