英语词汇“tangent”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

tan·gent

(tănjənt)

1. Mathematics

a. A line, curve, or surface meeting another line, curve, or surface at a common point and sharing a common tangent line or tangent plane at that point.

b. Abbr. tan The trigonometric function of an acute angle in a right triangle that is the ratio of the length of the side opposite the angle to the length of the side adjacent to the angle.

2. A sudden digression or change of course: went off on a tangent during his presentation.

3. Music An upright pin in a keyboard instrument, especially in a clavichord, that rises to sound a string when a key is depressed and stops the string at a preset length to set the pitch.

adj.

Making contact at a single point or along a line; touching but not intersecting.

[Latin (līnea) tangēns, tangent-, touching (line), present participle of tangere, to touch; see tag- in the Appendix of Indo-European roots.]

tangent

tan θ = ^a/_b

单词	tangent
释义	tan·gent (tănjənt) n. 1. Mathematics a. A line, curve, or surface meeting another line, curve, or surface at a common point and sharing a common tangent line or tangent plane at that point. b. Abbr. tan The trigonometric function of an acute angle in a right triangle that is the ratio of the length of the side opposite the angle to the length of the side adjacent to the angle. 2. A sudden digression or change of course: went off on a tangent during his presentation. 3. Music An upright pin in a keyboard instrument, especially in a clavichord, that rises to sound a string when a key is depressed and stops the string at a preset length to set the pitch. adj. Making contact at a single point or along a line; touching but not intersecting. [Latin (līnea) tangēns, tangent-, touching (line), present participle of tangere, to touch; see tag- in the Appendix of Indo-European roots.] tangent tan θ = ^a/_b
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