双曲函数型辅助方程
hyperbolic function type of auxiliary equation
auxiliary equation of hyperbolic function type
三角函数型周期波解
Triangle function periodic solution
Dhombres型函数方程
Dhombres type functional equations
代数函数方程
algebraic functional equation
辅助方程方法
auxiliary equation method
反三角函数
inverse trigonometric function
inverse circular function
arc trigonometric function
antitrigonometric function
anti-trigonometric function
antitrigonometrical function
arc-trigonometric function
inverse trigonometrical function
反三角函数法
antitrigonometric function method
模糊三角函数
fuzzy triangular member function
三角函数
trigonometric function
trigonometric functions
triangular function
Triangle function
direct trigonometric function
circular function
cosine and sine function
Trigonometric
modification
三角函数S曲线
S-curve using a trigonometric model
三角函数变换
the conversion of trigonometric function
三角函数变换法
trigonometric function transformation
三角函数表
table of trigonometric function
trigonometric table
三角函数表达式
the expressions used in trigonometric function