Dec 1, 2018 - 00:00
Dec 1, 2018 - 00:00
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TAN'GENT, n. [L. tangens, touching. See Touch.]

In geometry, a right line which touches a curve, but which when produced, does not cut it. In trigonometry, the tangent of an arc, is a right line touching the arc at one extremity, and terminated by a second passing through the other extremity.

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