trigonometric function
三角函数：以弧度或角度为自变量的函数
常用释义
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基本释义
- 三角函数：以弧度或角度为自变量的函数，最简单地用直角三角形的两边之比来表示，包括正弦、余弦、正切、余切、正割和余割等函数。同时，它还包括三角函数的反函数，如反正弦、反余弦和反正切等。
例句
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1·Each kind of wave may use the trigonometric function equation to express.各种波形曲线均可以用三角函数方程式来表示。
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2·For boxing constraint of control, trigonometric function transformation was developed to achieve an unconstrained problem.对于控制变量受箱型约束的问题，采用三角函数转换将其转化为控制无约束问题。
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3·The method based on the cubic B-spline function, beam vibration function (or trigonometric functions) and variation principle.这个方法是建立在三次样条函数、梁振动函数(或三角函数)及变分原理基础上。
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4·Methods The CR technique is operated with trigonometric function of positioning is used in 42 cases of foreign body in eyeballs.本文着重介绍了笔者利用CR技术，对42例眼异物进行三角函数定位的探讨。
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5·Methods The CR technique which is operated with trigonometric function of positioning is used in 42 cases of foreign body in eyeballs.本文着重介绍了笔者利用CR技术，对42例眼异物进行三角函数定位的探讨。
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6·As no trigonometric function in the formula results in easy and accurate calculation result, it is especially suitable for workshop applications.量块组尺寸计算公式不含三角函数，计算简便、结果精确，特别适合车间现场使用。
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7·This chaotic neural network is used to the 10-city traveling salesman problem (TSP), and the influence of trigonometric function self-feedback on TSP is analyzed.混沌神经网络的10个城市的旅行商问题（TSP），和三角函数自反馈对TSP的影响进行了分析。
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8·Trigonometric function is one of the most important contents in maths in senior middle school. New teaching material was abridged in the base of original teaching material.三角函数是高中数学重要的内容之一，新教材在原教材基础上作了缩简。
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9·Almost calculator can finish basic arithmetic and root square operation. The science calculator can even process trigonometric function, exponential function and logarithmic function.一般的计算器都具有四则运算、开方运算等功能，而科学计算器还具有三角函数，指数函数，对数函数等运算功能。
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10·Absrtact: CORDIC (Coordinate Rotation Digital Computer) algorithm is the main method to realize the fast and accurate trigonometric function, and is widely used in modern engineering.摘要：CORDIC算法是实现快速精确的正、余弦函数计算的主要方法，在工程实际中有着广泛应用。
同义词
n.
[数]三角函数