the hyperbolic trigonometric functions are to hyperbolae as the trigonometric functions are to circles. that is, imagine you plot these points on a cartesian plane for all possible values of t

双曲三角函数就是对曲线应用三角函数，也就是说，想象将这些点放在笛卡尔平面上来得到t的所有可能值

thirdly, a set of generalized trigonometric functions in the triangular domain are constructed.

第三，构造出了三角区域的广义三角函数。

it is meteorological observation data approximated while using trigonometric functions with the involvement of mathematical apparatus technique of random number generator.

这是气象观测数据在使用三角函数近似的参与随机数发生器的数学仪器技术。

this paper introduces a computation method of trigonometric functions and inverse trigonometric functions in microprocessor by usr of combination binary fixed point operation with look-up table.

本文介绍了一种在微处理器中用二进制定点运算和查表相结合的方法简单实现三角函数和反三角函数运算的方法。

common mathematical functions such as trigonometric functions are standard, and you can add custom functions.

诸如三角函数这样的普通数学函数符合标準，并且你可以添加自定义的函数。

the inverse hyperbolic trigonometric functions — acosh, asinh, and atanh — are not yet included.

还没有包含反双曲三角函数 — 反双曲余弦、反双曲正弦和反双曲正切。

based on a method author developed for solving kdv equation, the lagrangian and hamiltonian are expressed by trigonometric functions are given in this paper.

本文通过对拉格朗日函数性质的讨论，为研究某些具体的物理量或某些具体的物理方程提供了可靠的理论基础。

this paper introduces several ways to calculate the basic points' coordinates. these ways include the use of simultaneous equations, trigonometric functions and computer aided drawing software.

本文介绍了有直线和圆弧组成的零件轮廓的基点计算的有效方法，这些方法包括联立方程组法、三角函数法和计算机绘图软件法。

trigonometric functions are selected for boths sets of the basis and the testing functions.

基函数系和检验函数系分别取为三角函数。

sine and cosine is the triangular relationship between the corners and trigonometric functions of the most common, the two most important theorems.

正、余弦定理的几点应用 摘 要正弦定理和余弦定理是三角形边角关系及三角函数种最常见、最主要的两个定理。

both initial and added deflection modes are simplified as trigonometric functions and the stress distribution can be revised if necessary.

初始变形和受荷变形均假定为正弦函数分布，并可按照需要进行应力修正。

this paper expounds the role of transformation in exponential, logarithmic and trigonometric functions based on some examples.

用几个典型例题，论述了用变形方法在指数、对数、三解等函数求解导数方面的作用。