On the second point, if I understand atan correctly, it takes a ratio of two sides, and returns the corresponding angle. That means that atan(1) is referring a situation with 2 equal length sides. …

Jan 14, 2017 · A quick google search of "java atan" would tell you that it stands for "arctangent", which is the inverse of tangent. Tangent is first understood as a ratio of non-hypotenuse sides …

Sep 11, 2015 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …

Jan 11, 2021 · $\begingroup$ (+1) One other reason I dislike the $\tan^{-1}$ notation is because it suggests that the $\tan$ function has an inverse. This is not true: $\tan^{-1}(\tan(x)) \neq x$ in …

Sep 2, 2015 · $\tan^{-1}$ denotes the inverse tangent function, AKA the arc tangent (the angle the tangent of which is the given number). When applied to an argument, you spell $$\tan^{ …

Feb 29, 2024 · Here is a graph of atan(m) and the graph of acos(1/sqrt(1+m^2)) Both produce identical values for positive slope m, but the second one returns only the positive branch of …

Jun 10, 2016 · The reason that it isn't true is that, regrettably, the notation is not consistent. For this reason, many people avoid using $\tan^{-1}$ and use $\arctan$ instead, and so on for the …

$$ \arctan(x)=x-\frac{x^3}{3}+\frac{x^5}{5}-\frac{x^7}{7}+..... $$ The point to be noted here is that this series continues on without any end.

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Nov 17, 2019 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …