单词 | tangents |
释义 | tangent1 of 2noun tan·gent ˈtan-jənt 1 : an abrupt change of course : digression the speaker went off on a tangent 2 a : the trigonometric function that for an acute angle is the ratio between the leg opposite to the angle when it is considered part of a right triangle and the leg adjacent b : a trigonometric function that is equal to the sine divided by the cosine for all real numbers θ for which the cosine is not equal to zero and is exactly equal to the tangent of an angle of measure θ in radians 3 : a line that is tangent specifically : a straight line that is the limiting position of a secant of a curve through a fixed point and a variable point on the curve as the variable point approaches the fixed point 4 : a small upright flat-ended metal pin at the inner end of a clavichord key that strikes the string to produce the tone tangent 2 of 2adjective1 a : meeting a curve or surface in a single point if a sufficiently small interval is considered straight line tangent to a curve b(1) : having a common tangent line at a point tangent curves (2) : having a common tangent plane at a point tangent surfaces 2 : diverging from an original purpose or course : irrelevant tangent remarks tangents nounas in asides a departure from the subject under consideration in the middle of her description of her dog's symptoms, she went off on a tangent about its cute behavior Synonyms & Similar Words Relevance
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