1·We might prefer to stick to trigonometric functions.
我们可能宁愿拘泥于使用三角函数。
2·Trial functions are approached by double trigonometric functions.
试函数取重三角函数。
3·Math provides simple math functions, such as trigonometric functions and logarithmic functions.
Math提供了简单的数学函数，比如三角函数和对数函数。
4·It will be assumed that the reader is familiar with logarithms and trigonometric functions.
我们还希望读者能熟悉对数和三角函数。
5·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。
6·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准，并且你可以添加自定义的函数。
7·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。
8·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。
9·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。
10·Unfortunately, the solution still included a complicated set of sums of algebraic series involving tricky powers of trigonometric functions.
不幸的是，这一方法仍然包含了一系列复杂的代数计算，还涉及了复杂得三角函数。