三角函数

Support of decimal, binary and hexadecimal numberformat, logical and bit-wise operators, shift operators, trigonometric functions, string and list manipulating, syntax coloring, result history and complete online help.

支持十进制，二进制，十六进制数字格式，逻辑和位逻辑运算符，切换操作符，三角函数，字符串和列表操作，语法彩色显示，运算结果历史记录和完善的在线帮助。

The paper establishes the standard fuzzy systems with partition of normal quadratic polynomial membership functions and normal trigonometric membership functions. The comparison problems of fuzzy system with normal triangle membership functions and the two fuzzy systems are put forward.

摘要在标准模糊系统的基础上建立了正规二次多项式和正规三角函数为基函数的两类新模糊系统，进而提出了以正规三角形函数为基函数的标准模糊系统与所提出模糊系统的比较问题。

If plants in the solution oblique triangle usually is unifies with three jiao functions carries on the simplification, perhaps the actual problem, the physical question's form appears, examination mathematics modelling ability.

如在解斜三角形种通常是与三角函数结合起来进行化简，或是实际问题、物理问题的形式出现，考查数学建模能力。

Orthonormal basis in L2, Legendre polynomials, basis of trigonometric functions.

正交基在L2，勒让德多项式，三角函数的基础。

Prove (8.92) and then calculate the percent error in the ground-state energy, using this triangular function.

证明（8.92），然后用三角函数计算基态能量的百分误差。

Six content areas are included in the Mathematics Test; pre-algebra, elementary algebra, intermediate algebra, coordinate geometry, plane geometry, and trigonometry.

数学测试包括6方面的内容：基础初等代数、初等代数、中级代数、几何坐标、平面几何和三角函数。

Four scores are reported for the ACT Mathematics Test: a total test score based on all 60 questions, a sub score in Pre-Algebra/Elementary Algebra based on 24 questions, a sub score in Intermediate Algebra/Coordinate Geometry based on 18 questions, and a sub score in Plane Geometry/Trigonometry based on 18 questions.

ACT 数学测试共包括4项成绩：基于全部60个问题的总分数，基于24个问题检测初等代数/初等数学的技能分数，基于18个问题检测中等代数/坐标几何的技能分数，以及基于18个问题检测平面几何/三角函数的技能分数。

Oftware Description: About SpaceTime Calculator, This is a scientific calculator for your Pocket PC, Palm OS 5 device, and Windows PC that supports trigonometric functions and complex numbers.

paceTime Calculator 这是一款适用于你的便携式计算机，掌上 OS 5 设备，以及支持三角函数和复杂数字的 Windows 操作系统个人计算机的科学计算器软件。

For a series spatial and planar mechanism synthesis, synthetic equation set can be established according to the kinematics requirement and characters of the mechanism. Then trigonometric functions are rationalized so as to create a polynomial system =0 , and the polynomial solution=0 is obtained with synthetic elimination method.

对于平面机构与空间机构的各类综合问题，根据各种机构的运动综合要求和机构的特点，建立机构的综合方程组，然后通过三角函数的有理化，将综合方程组化成多项式方程组=0，并采用综合消元法求得其多项式解=0，进而求得待定的机构参数。

Through the analysis of the materials of monitoring water quality at the cross section of Oujiang River at Yangfushan, we set trigonometric function models for prediction and obtain the seasonal law of the change trend of water quality.

通过对瓯江杨府山断面近几年的水质监测数据进行分析，建立了三角函数预测模型，得到各年中瓯江水质各指标随季节交替的变化规律，并运用季节性肯达尔检验法对模型进行了验证。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐