Examine the continuity and differentiability of $f(x)=| \\cos x|$
Examine the continuity and differentiability of $f (x)=| \cos x|$ I got the answer to be everywhere continuous and not differentiable at $ x= (2n+1) \frac {\pi} {2}, n \in \mathbb Z $ (since modulus
Derivative of mod cosx | Mod cosx Derivative - iMathist
2023年12月13日 · The derivative of the mod cosx is equal to (- sinx cosx)/|cosx|. Here let us learn how to differentiate mod cosx, that is, how to find d/dx (|cosx|).
Plot mod sinx - cosx | Graphical Transformations | #jee #maths # ...
2023年3月3日 · In this video, we will explore the graph of the absolute value of the difference of sine and cosine functions, also known as |sinx-cosx|. We will learn how to plot this function step by step, and...
三角函数公式汇总 - 知乎
\csc {x} = \frac {1} {\sin {x}} \cot {x} = \frac {1} {\tan {x}} \sin^ {2}x + \cos^ {2}x = 1. 1 + \tan^ {2} x = \sec^ {2}x. 1 + \cot^ {2}x = \csc^ {2}x. \tan {x} = \frac {\sin {x}} {\cos {x}} = \frac {\sec {x}} {\csc {x}} \cot {x} = \frac {\cos {x}} {\sin {x}} = \frac {\csc {x}} {\sec {x}}
Differentiability of $\\cos{|x|}$ and $\\sin{|x|}$ at $x=0$
2018年4月10日 · How can we define the derivative of cos |x| at x = 0 ? If h ≠ 0, then the two distinct points (0, g(0)) and (0 + h, g(0 + h)) determine a straight line whose slope is
plot sin (x) mod cos (x) - Wolfram|Alpha
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高中数学：三角函数-cosx、sinx、tanx的函数图像与性质_sinx cosx …
2024年4月18日 · 本文介绍了三角函数sinx、cosx和tanx的基本概念，包括它们的图像特征、性质以及配套的练习题，帮助读者理解并掌握这些基本概念。
Fourier Series for $|\\cos(x)|$ - Mathematics Stack Exchange
cos(x) and cos(nx) are orthogonal if you integrate over the entire interval [0, π]. This just integrates over [0, π / 2] and [π / 2, π]. You must breakup the integral into three intervals: [− π⋯ − π 2], [− π 2⋯π 2], and [π 2⋯π]
Graph of mod sinx + mod cosx, Graph of mod (sinx+cosx), sinx+cosx …
2018年10月1日 · This video discusses, how to draw and analyse the graphs of mod sinx + mod cosx, Graph of mod (sinx+cosx), Graph of sinx+cosx, Graph of mod sinx and Graph of mod cosx. Here we will discuss different types of graphs of trigonometric functions including graphs of sinusoidal functions (sine and cosine Graphs)
Differentiate mod cosx - Brainly
2017年1月22日 · you know modulus concept it means always positive i.e mod cosx = {cosx when x € [-pi/2, pi/2] take this period because cosx is periodic functions =-cosx when x € (pi/2,3pi/2) also take this period now differentiate dy/dx= {-sinx when x € [ …
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