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

sine

(sīn)

n. Abbr. sin

1. The ordinate of the endpoint of an arc of a unit circle centered at the origin of a Cartesian coordinate system, the arc being of length x and measured counterclockwise from the point (1, 0) if x is positive or clockwise if x is negative.

2. In a right triangle, the ratio of the length of the side opposite an acute angle to the length of the hypotenuse.

[Medieval Latin sinus (mistranslation of Arabic jayb, sine, as if jayb, fold in a garment), from Latin, curve, fold.]

sine

sin θ =

^a/_c

单词	sine
释义	sine (sīn) n. Abbr. sin 1. The ordinate of the endpoint of an arc of a unit circle centered at the origin of a Cartesian coordinate system, the arc being of length x and measured counterclockwise from the point (1, 0) if x is positive or clockwise if x is negative. 2. In a right triangle, the ratio of the length of the side opposite an acute angle to the length of the hypotenuse. [Medieval Latin sinus (mistranslation of Arabic jayb, sine, as if jayb, fold in a garment), from Latin, curve, fold.] sine sin θ = ^a/_c
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