Trigonometry - Wikipedia Trigonometric ratios are the ratios between edges of a right triangle These ratios depend only on one acute angle of the right triangle, since any two right triangles with the same acute angle are similar
TRIGONOMETRIC中文(简体)翻译：剑桥词典 - Cambridge Dictionary You should be able to solve simple trigonometric equations Users who are accustomed to looking up trigonometric data in written tables can continue to do so This key brings up a complete trigonometric table to scroll through
Trigonometry - Khan Academy Solving for an angle in a right triangle using the trigonometric ratios: Right triangles trigonometry Sine and cosine of complementary angles: Right triangles trigonometry Modeling with right triangles: Right triangles trigonometry The reciprocal trigonometric ratios: Right triangles trigonometry
Basic Math Trigonometric Function - 数学基础 三角函数 - SDLMoe Trigonometric Equation 三角方程 对于 \(\sin(x) = a\) ，我们可以进行如下讨论 \(\text{(1) } a = 1\) 时 \(x \in \left\{x | x = 2k \pi + \frac{\pi}{2}, k \in \mathbb{Z}\right\}\) \(\text{(2) } a = -1\) 时 \(x \in \left\{x | x = 2k \pi - \frac{\pi}{2}, k \in \mathbb{Z}\right\}\)