1.
trigonal hybrid orbital
正三角形杂化轨函数
2.
tetrahedral hybrid orbital
正四面体杂化轨函数
3.
The trigonometric functions are defined for right triangles.
三角函数是对直角三角形定义的。
4.
the mathematics of triangles and trigonometric functions.
三角形与三角函数的数学。
5.
The deformation and applications of sin~2α+cos~2α=1;
同角三角函数平方关系的变形与应用
6.
The expression for g can be rewritten in terms of trigonometric sines and cosines.
关于g的表达式可以重写成三角函数的正弦和余弦形式。
7.
function of an angle expressed as a ratio of the sides of right-angled triangle containing the angle.
直角三角形各角的函数是用各边的比来表示的。
8.
Local Lagrange Interpolation by Bivariate Splines of Degree Seven on Triangulated Quadrangulation
四边形三角化部分下二元七次样条函数空间上局部Lagrange插值
9.
The reciprocal of the tangent of an angle in a right triangle.
余切直角三角形中角的正切的倒数
10.
The reciprocal of the sine of an angle in a right triangle.
余割直角三角形中一个角正弦的倒数
11.
The hypot() function returns the length of the hypotenuse of a right-angle triangle.
函数的作用是：计算一直角三角形的斜边长度。
12.
The Minimization for Ternary Lattice Algebra Logical Function in the Form of Products of Sum;
三值格代数逻辑函数POS形式最小化
13.
an equilateral triangle
等边三角形,正三角形
14.
A Kind of Novikov Algebras and Triangle Functions;
一类Novikov代数与三角函数
15.
Power Harmonic Analysis Based on Orthogonal Trigonometric Function Family
基于正交三角函数族的电力系统谐波识别算法
16.
HP39gs Graphing Calculator Support for Researching into Trigonometric Function
HP39gs图形计算器支持下三角函数学习的探究
17.
Analysis of double-feed antenna using the method of moment with vector triangle basis function
矢量三角形基函数矩量法分析双馈天线
18.
The branch of mathematics that deals with the relationships between the sides and the angles of triangles and the calculations based on them, particularly the trigonometric functions.
三角学数学的分支研究三角形边、角关系以及在此基础上的计算，尤其是三角函数