
Sine and cosine - Wikipedia
The word cosine derives from an abbreviation of the Latin complementi sinus 'sine of the complementary angle ' as cosinus in Edmund Gunter 's Canon triangulorum (1620), which also …
余弦(数学概念)_百度百科
余弦函数的定义域可以延拓至复数域,此时函数是解析的。 余弦在数学上有着广泛的应用。 射影定理、余弦定理等的描述中都离不开余弦。 中文名 余弦 外文名 cosine 表达式 cos 学 科 数学 …
Sine, Cosine and Tangent - Math is Fun
Sine, Cosine and Tangent are the main functions used in Trigonometry and are based on a Right-Angled Triangle. Before getting stuck into the functions, it helps to give a name to each side of …
COSINE中文 (简体)翻译:剑桥词典 - Cambridge Dictionary
This cosine function allows the coplanar influence to propagate to near-coplanar orientations, thereby allowing surface completion to occur around smoothly curving surfaces.
Cosine | Definition, Formulas, & Facts | Britannica
The cosine is a fundamental trigonometric function such that the cosine of an angle of a right triangle is the ratio of its adjacent side to the hypotenuse.
正弦、余弦和正切 - 数学乐
正弦 (sine), 余弦 (cosine) 和 正切 (tangent) (英语符号简写为 sin, cos 和 tan) 是 直角三角形 边长的比: 对一个特定的角 θ 来说,不论三角形的大小,
Cosine -- from Wolfram MathWorld
The cosine function is one of the basic functions encountered in trigonometry (the others being the cosecant, cotangent, secant, sine, and tangent). Let be an angle measured …
Cosine Function in Math - Definition, Formula, Examples
Feb 4, 2025 · Learn about the cosine function in math. Get its definition, formula, and examples in trigonometry, geometry, and calculus.
余弦 | 中文数学 Wiki | Fandom
余弦(cosine, cos {\displaystyle \cos} )是三角函数的一种。 它的定义域是整个实数集,值域是 [ − 1 , 1 ] {\displaystyle [-1, 1]} 。 它是周期函数,其最小正周期为 2 π {\displaystyle 2\pi} 。
餘弦 - 维基百科,自由的百科全书
余弦 (cosine)是 三角函数 的一种。 它的 定义域 是整个 实数集,值域是 。 它是 周期函数,其最小正周期为 (360°)。 在自变量为 (或 ,其中 为整数)时,该函数有极大值1;在自变量 …