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三角的
relating to the study and application of angles and their related functions
- Trigonometric identities express relationships between trigonometric functions such as sine, cosine, and tangent.
三角恒等式表达了正弦、余弦和正切等三角函数之间的关系。
- Trigonometric ratios like sine, cosine, and tangent are used to solve problems involving right triangles.
三角比率如正弦、余弦和正切用于解决涉及直角三角形的问题。
- The unit circle is a fundamental concept in trigonometry, used to define trigonometric functions for all angles.
单位圆是三角学中的一个基本概念，用于定义所有角度的三角函数。
- Trigonometric functions are periodic, meaning they repeat their values at regular intervals.
三角函数是周期性的，这意味着它们以固定的间隔重复其值。
- Trigonometric graphs illustrate the behavior of trigonometric functions over a specified range of angles.
三角图形说明了三角函数在指定角度范围内的行为。