"Trig" redirects here. For other uses, see Trig (disambiguation). Trigonometry Outline History Usage Functions (sin, cos, tan, inverse) Generalized trigonometry Reference Identities Exact …

Trigonometry: from Greek trigonon triangle + metron measure. Want to learn Trigonometry? Here is a quick summary. Follow the links for more, or...

0 写在前面《数学手册》第二章函数部分介绍了 初等函数、多项式函数、有理函数、无理函数、指数与对数函数、三角函数、双曲函数(Hyperbolic Functions)和逆双曲函数(Area Functions, the …

Explore the world of trigonometry by mastering right triangles and their applications, understanding and graphing trig functions, solving problems involving non-right triangles, and …

Sine, cosine, and tangent are the most widely used trigonometric functions. Their reciprocals, though used, are less common in modern mathematics. Trigonometric functions are also …

Oct 2, 2025 · Trigonometry, the branch of mathematics concerned with specific functions of angles. There are six functions commonly used in trigonometry: sine (sin), cosine (cos), …

Add to word list → trigonometry （数学中的）三角学 (trig在剑桥英语-中文（简体）词典的翻译 © Cambridge University Press) C1

Aug 1, 2022 · Trigonometric Function 三角函数 Definition 基础定义 sin ⁡ (θ) = y r, cos ⁡ (θ) = x r, tan ⁡ (θ) = y x csc ⁡ (θ) = r y, sec ⁡ (θ) = r x, cot ...

This trig calculator finds the values of trig functions and solves right triangles using trigonometry.

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