Why is the period of $\\sec$ and $\\csc 2\\pi$ instead of $\\pi$?
2021年2月12日 · The period of $\csc x$ is $2\pi$ because the period of $\sin x$ is $2\pi$, and $\csc x = \frac{1}{\sin x}$. It doesn't have to do with the discontinuity. The same thing holds for …
Trigonometry : Find the value of $\\csc^2 \\pi/7 + \\csc^2 2\\pi/7 ...
2018年7月30日 · Find the value of $\csc^2 \pi/7 + \csc^2 2\pi/7 + \csc^2 3\pi/7$ My try : Converted it into Sin and then tried to apply series formula but failed
Prove $\\csc(x)=\\sum_{k=-\\infty}^{\\infty}\\frac{(-1)^k}{x+k\\pi}$
2016年10月11日 · $\begingroup$ I don't mean to belabor this; it doesn't really matter. Yes, your earlier answer had a different derivation of the $\cot$ formula, using residues (which is nice …
Prove Closed Form of Integral is $-\\frac{\\pi^2}{(s+1)^2} \\csc^2 ...
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numerical methods - Why is $\Gamma(\sin(x)) \approx \csc(x ...
2025年1月20日 · Is there any deeper mathematical reason for why $\Gamma(\sin x) \approx \csc(x)$ for $(0<x<\pi)$, where $\Gamma(x)$ is the Gamma function (apart from the reasoning …
Proof that $f(z) = cosec(\\pi z)$ has simple poles
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trigonometry - $arccsc (\csc (2\pi/3))$. What's the value ...
2018年4月4日 · You will need to know the conventional range for $\sec^{-1}$, usually $0$ to $\pi$ excluding $\pi/2$, but check what you have been told, because some sources may do it …
Calculate the value of the following trigonometric function: …
Find the exact value of following trigonometric function: tan ({-5 pi}/2). Find the exact value of the following trigonometric function. \cos(-150°) Find the exact value of the trigonometric …
Evaluate without L'Hopital: $\\lim_{x \\to 3} (x-3)\\csc\\pi x
2016年11月15日 · $$\lim_{x \to 3} (x-3)\csc\pi x $$ I find the indeterminate form of $0$ or $\frac{0}{0}$. The latter tells me that L'Hopital's is an option, but since we haven't seen …
Find the exact value of csc (\pi/4). | Homework.Study.com
Find the exact value of the expression below. cos pi/4 + cos pi/6; Find the exact value of sin(pi/3 + pi/4). Find the value of b and c if the angle at A is pi/4.