Trigonometricfunctions 三角函数|Algebra 代数|Math 数学|Khan Academy 可汗学院 但得本莫愁末· 2022-11-24 4.2万19 03:59 【闲来无事】三角函数之歌-TrigonometricFunctions _ajthreac_· 2020-3-12 10960 08:30:00 Pre-Calculus Chapter 5TrigonometricIdentities and Equations ...
can be obtained using equations, $$\begin{aligned} s_{i}= & {} \sum \limits _{j=1}^{m}\frac{w_{j}d(\zeta _{ij},\zeta _{j}^{+})}{ d(\zeta _{j}^{+},\zeta _{j}^{-})}. \end{aligned}$$ (41) $$\begin{aligned} r_{i}= & {} \underset{i\le j\le m}{\...