
数学公式中,secx,cscx,分别是什么意思? - 百度知道
1、secx是正割:正割指的是直角三角形,斜边与某个锐角的邻边的比,叫做该锐角的正割,用 sec(角)表示。 如下图所示:一个锐角∠A的正割 正割是余弦函数比值表达式互.
sec^2(x) = 2secx - Symbolab
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Simplify 2sec(x) - Mathway
Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.
sec平方x求导等于多少 - 百度知道
sec平方x的导数为2乘以secx的平方乘以tanx。 具体步骤如下: 1、首先把sec平方x看成一个 复合函数,利用复合函数的求导法则进行求导。 2、令t=secx,要求sec平方x的导数,只需求secx …
sec²x的导数是什么? - 百度知道
sec²x的导数是2 (secx)²·tanx,先把secx当个整体比如Y这样Y²的导数是2Y,然后再对secx求导数,是secxtanx,把两个部分乘一起就是了。 sec²x的导数是什么? 是2 (secx)^2·tanx过程: [ …
2secx - Wolfram|Alpha
Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history, geography, …
secx的平方-1等价于tanx的平方吗为什么? - 知乎
2020年9月11日 · 知乎,中文互联网高质量的问答社区和创作者聚集的原创内容平台,于 2011 年 1 月正式上线,以「让人们更好的分享知识、经验和见解,找到自己的解答」为品牌使命。知乎 …
Graph y=2sec(x) | Mathway
Use the form asec(bx−c)+ d a sec (b x - c) + d to find the variables used to find the amplitude, period, phase shift, and vertical shift. Since the graph of the function sec s e c does not have a …
2sec(x)=tan(x)+cot(x) - Symbolab
Since the denominators are equal, combine the fractions: ca ± cb = ca± b = sin(x)cos(x)−cos2(x)+(−sin(x)+2)sin(x) = sin(x)cos(x)−cos2 (x)+sin(x)(−sin(x)+2) = …
Find the Derivative - d/dx 2sec(x) - Mathway
2 d dx [sec(x)] 2 d d x [sec (x)] The derivative of sec(x) sec (x) with respect to x x is sec(x)tan(x) sec (x) tan (x). Free math problem solver answers your algebra, geometry, trigonometry, …