Grow trigonometry, the abbreviation of delta of the Yangtse River.
长三角, 长江三角洲之简称。

of or relating to or according to the principles of trigonometry.
属于，关于三角法的，或依照三角法原则的。

The shape is actually trigonal pyramidal.
它的形状是三角金字塔形。

You may not use more advanced trigonomery, such as the law of sines, the law of cosines, etc.
你不可以使用高级三角知识例如正弦余弦等

Application of trigonometric series for rigid wakes analysis of rotor aerodynamics in hover
悬停状态旋翼固定尾迹分析中三角级数的应用

Study on Alcohol Extraction Technology of Trigonelline from Pumpkin Flesh
南瓜果肉中胡芦巴碱提取工艺的研究

Arithmetic, algebra, geometry, and trigonometry are branches of mathematics.
算术, 代数, 几何和三角是数学的分科。

Modification on the Trigonometric Function Algorithm of Computers
计算机三角函数算法的改进

Elevation Algorithm for a Class of Trigonometric Polynomial Spline Curves
一类三角多项式样条曲线的升阶算法

To replace geometry trigonometry with goometry analytic method and realize caculating optimization of target date
用几何解析法代替几何三角法实现标定数据计算优化

A STUDY ON SEEDLING MORPHOLOGY AND ANATOMY AND SYSTEMATIC POSITI ON OF TRIGONOBALANUS DOICHANGENSIS FORMAN
三棱栎的幼苗形态解剖及系统位置

trigonometrical function of supplement angles.
补角三角函数

trigonometrical function of moltiple angles
倍角的三角函数

trigonometrical function of complementary angles
余角的三角函数

Trigonometric functions use radian mode for angles.
三角函数的角度使用弧度模式。

The six trigonometric functions of angles of any magnitude and their graphs.
任意角之六个三角函数及其图像。

The trigonometric terms should be changed by the substitution of the equations involving the double angles.
用倍角公式代换三角函数项。

Capsule trigonous, ca. 0 mm, hirsutulous at apex.
三棱的蒴果，约2毫米，具微糙硬毛在先端。

On the approximation of functions of several variables by trigonometrical polynomials
多元函数的三角多项式逼近

Approximation of some classes of periodic functions of two variables by trigonometric polynomials
一个二元周期函数类用三角多项式的逼近

And trigonometrical function table checking method is referenced to reduce large arithmetic amount in the unwrapping process.
并使用三角函数查表法减少了展开过程的运算量。

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。

The Hindus, like the Greeks, regarded trigonometry as a tool for their astronomy.
印度人和希腊人一样，把三角学当作他们天文学的工具。

Atmosphere Refraction Coefficient Correction and High Precision Trigonometric Leveling
大气折光系数修正与高精度三角高程测量

The structure shows a distorted trigonal bipyramidal configuration with fivecoordinations to a central tin atom.
结果表明，化合物中锡原子呈五配位畸变三角双锥构型。