被限定的余弦函数之反函数叫做反余弦函数。
The inverse function of that restricted cosine function is called the arccosine function.
返回数字的反余弦值。
同时，建立了反余弦一波正弦形缓和曲线的设置方法和计算公式。
This article puts foward a "Secant One—wave Sine—shaped Transition Curve", whose deflection angles are of secant varlation.
单击文档中含有要计算其反余弦的值的单元格。您也可以将单元格引用键入下框中。
Click the cell in your document that contains the value for which you want to find the arcosine. You can also type the cell reference into the box below.
介绍了采用基于ROM查找表的全数字反离散余弦变换(IDCT)电路的算法原理及其并行架构的大规模集成电路实现。
This paper presented an ROM look-up table (LUT) based inverse discrete cosine transform (IDCT) algorithm and its LSI implementation having parallel architecture.
利用解析函数的性质，通过反双曲余弦计算出了由共焦点椭圆导体柱面组成的电容器内电场和单位长度的电容，并对结果作了进一步讨论。
The electric field and capacitance of a confocal elliptic capacitor are calculated by the inverse hyperbolic cosine analytic function, and discussion on them is performed.
利用解析函数的性质，通过反双曲余弦计算出了由共焦点椭圆导体柱面组成的电容器内电场和单位长度的电容，并对结果作了进一步讨论。
The electric field and capacitance of a confocal elliptic capacitor are calculated by the inverse hyperbolic cosine analytic function, and discussion on them is performed.
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