您要查找的是不是：
- What about sine and cosine function? 了解正弦和餘弦函數？
- The inverse function of that restricted cosine function is called the arccosine function. 被限定的餘弦函數之反函數叫做反餘弦函數。
- With the use of the properties of the second Chebyshev polynomial,a group of interesting identity of sine and cosine function is obtained. 利用第二類契貝謝夫多項式的性質得到了關於正餘弦函數的一組有趣的恆等式。
- When the input power is smaller than the critical power, the beam width takes quasi-periodical diffraction with the Jacobian elliptic sine and elliptic cosine functions. 當光束初始功率小於臨界功率時，光束束寬則按雅可比橢圓正弦函數和橢圓餘弦函數作準周期展寬變化；
- In this paper, a novel construction of bivariate orthogonal compactly supported wavelet filter based on the cosine function is proposed. 摘要本文提出了一種基於餘弦函數的二元緊支撐正交小波濾波器的構造方法。
- Previous studies have shown that the MDCT analysis results of pure sinusoids can be approximated by using the product of a constant, a cosine function, and a decay function. 由先前的研究，一個正弦波訊號的修正式離散餘弦轉換分析結果可以由一個常數，一個餘弦函數與一個衰減函數的乘積所逼近。
- Y. Zhu, L. Zhong, X. Lv, Y. Luo and C. She, 「A novel phase unwrapping method based on cosine function,」 Proceedings of SPIE, Vol. 5633, pp.383-392, 2005. 賴皇文，創新型即時同步相移干涉式三維輪廓量測儀，碩士論文，國立台北科技大學自動化科技研究所，台北，2007。
- This paper develops iterative formula of sine and cosine function in document[40], and presents new pixel-level algorithms forgenerating Archimedes and involute curves which are widely used in engineering. 本文推廣了文獻[40]中正弦、餘弦函數的遞推公式，對工程繪圖中常用的阿基米德曲線和漸開線設計了新的逐點生成演算法。
- In order to discuss the rationality of various warping displacement modes, second-degree parabola, cubic parabola, fourth-degree parabola and cosine function are selected respectively. 為了探討各種剪滯翹曲位移模式的合理性，分別選取二次拋物線、三次拋物線、四次拋物線及餘弦函數等翹曲位移模式進行計算；
- On some identities of sine and cosine functions 關於正弦函數和餘弦函數的一些恆等式
- n - times integrated e cosine functions n次積分c餘弦函數
- On A Group of Identical Equation of Cosine Function 關於餘弦函數的一組恆等式
- Symmetry of Sine and Cosine Function Graphs 正弦函數圖像及餘弦函數圖像的對稱性
- On a group of identity of sine and cosine function 關於正、餘弦函數的一組恆等式
- Loosely, a mathematical or logic operator. 不嚴格地說，一種數學或邏輯運算符。
- That store operator ripped me off. 那個商店的營業員把我騙了。
- The operator told the caller that the line is busy. 接線生告訴打電話的人對方電話佔線。
- Ring the operator and ask for Freefone 8921. 接通接線生，然後要免費通話8921號。
- The intricate machine requires a skilled operator. 這種複雜精細的機器須由技能熟練的人操作。
- The cos() function returns the cosine of a number. 函數的作用是：返回一個數值的餘弦值。
