tan:正切 cos:余弦 应用场景:这三个词是三角函数的基本组成部分,在数学、物理、工程学等多个领域中都有广泛应用。它们用于描述直角三角形中边长的关系,以及在周期性现象(如波动、振动)中的分析。 造句例句: 中文:在直角三角形中,正弦、余弦和正切是三种基本的三角函数。 英文:In a ri...
cos, cosine - ratio of the adjacent side to the hypotenuse of a right-angled triangle arc cosine, arccos, arccosine, inverse cosine - the inverse function of the cosine; the angle that has a cosine equal to a given number tangent, tan - ratio of the opposite to the adjacent side of ...
- cotangent 美 /ˈkoˈtændʒənt/n. [数] 余切;交易延期费 为什么叫Sin Cos Tan? 英语好的可以直接去看英文原文->[英文原文地址]([Trigonometry—What Are Sine, Cosine, and Tangent? | Math Dude (quickanddirtytips.com)](What Are Sine, Cosine, and Tangent?)) 直角三角形**边的比率...
(redirected fromSin-cos-tan) Dictionary Encyclopedia Graphic Thesaurus🔍 DisplayON AnimationON Legend Synonym Antonym Related </>embed</> inverse cosec... arccosecant arc cosecant cosecant cosec inverse secant arcsecant arcsec circular func... ...
Sin, Cos and Tan This section looks at Sin, Cos and Tan within the field of trigonometry. A right-angled triangle is a triangle in which one of the angles is a right-angle. The hypotenuse of a right angled triangle is the longest side, which is the one opposite the right angle. The...
@知了爱学tan和sin和cos关系 知了爱学 The relationship between tan, sin, and cos is a fundamental concept in trigonometry. Here's a detailed explanation of how these trigonometric functions are interrelated: 1. Basic Definitions Sin (Sine): In a right-angled triangle, sine of an angle (θ) ...
Sin, Cos & Tan – Triangle Formulas You will need to understand sin, cos, and tan triangle formulas for your exam. Remember that the hypotenuse is the side of the triangle opposite the right angle. The adjacent side is next to the angle being measured. ...
Sin and Cos formulas are given in this article. You can find basic trigonometry formulas, identities, triple angle and double angle formulas. Learn more trigonometry formulas at BYJU'S.
三角函数sincostan的定义三角函数 The trigonometric functions sine, cosine, and tangent are fundamental concepts in mathematics that are extensively used in various fields such as physics, engineering, and computer science. These functions are defined based on the ratios of sides of aright triangle ...
a^2+b^2=c^2(毕氏定理) a=最短 b=中间 c=最长 例如一个直角三角形 底是75ft the top of the tower is 78度 高是怎么? /| 78度 / | /__| 75ft is it? tan78 = 75 / 高 高 = 75 / tan78 case 1. 有关直角左右的线用tan 2. 两线都 touch 到的用 cos 3. 一...