单词 | trigonometric function |
释义 | trigonometric function【计】 三角函数 trigonometric function trigonometric function n.Mathematics (名词)【数学】 A function of an angle expressed as the ratio of two of the sides of a right triangle that contains that angle; the sine, cosine, tangent, cotangent, secant, and cosecant.Also called circular function 三角函数:角的函数,用直角三角形夹该角的两条边的比表示;正弦、余弦、正切、余切、正割、余割也作 circular function |
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