How do you get $\alpha$ from $\tan{\alpha}$?
How do you get $\alpha$ from $\tan{\alpha}$? Hello, I want to know how to obtain $\alpha$ from $\tan...
How do you get $\alpha$ from $\tan{\alpha}$? Hello, I want to know how to obtain $\alpha$ from $\tan...
How can I find normal vector on the given line. For example if I have a line $3x - 5y = 1$, what wou...
What are the x and y components of a vector a with arrow in the xy plane if its direction is 110° c...
I have found in Gonzalez/Diaz-Herrera/Tucker: Computing Handbook an example for the Goldschmidt divi...
Today I wanted to ask a question which I am sure has been answered in multiple places but for which ...
In propositional logic we have the DeMorgan's laws: $$\lnot (p\lor q) \Leftrightarrow \lnot ...
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For example, (6) The sequence of primes is endless. For, if $p$ is any prime, the number ${\...
I have a problem with this transform. I know that using this theorem (see the theroem) I can get the...
So I always thought that covariance could take any real number. However, in class today my professor...
I have a an assignment and I'm stuck on this question: First of all I can't figure out th...
This is homework but I’m really stuck. The question is to prove a fromula which states: $$1+\cos\t...
I am trying to help a high school student to solve summation calculation problems. The $i$ value of ...
Imagine I want to determine the distance between points 0,0,0 and 1,2,3. How is this calculated?...
Assume that the radius $r$ of a sphere is expanding at a rate of $7$ in. /min. The volume of a spher...
You can calculate eigenvectors of a matrix with eig() function like this: [eigenvectors, eigenvalue...
I am reading: How to prove it, A structured approach by Daniel J.Velleman and despite it being a boo...
A machine is set up such that the average content of juice per bottle equals u. Assume that the popu...
I have been beating my head against this question for quite some time, I do not know whether it has ...
I'm taking a course in General Relativity, and before getting into Physics itself, the required...
Suppose the function $X \colon \mathbb{R} \longrightarrow \mathbb{R} \colon x \longmapsto X(x) : = x...
The radius of the circle is 12cm, it is then made into a cone Question: A cone is made by joining ...
I am aware that for equalities involving, for instance involving real numbers, we have the cancellat...
Write the formula for $f(x)$, if the graph of $f$ can be obtained from the graph of $y = g(x)$ by sh...
Very simple 'yes-or-no' question, but I can't find the answer anywhere. My gut feelin...
I'm working through Acheson's 'Elementary Fluid Dynamics' and i'm having tr...
Calculate remainder of $12^{34^{56^{78}}}$ when divided by $90$ First of all,I'm not sure abou...
Important Pre-Requisite Knowledge On the image board 4chan, every time you post your post gets a 9 ...
Is there an intuitive meaning for the spectral norm of a matrix? Why would an algorithm calculate th...
Help for my son. My math is a bit rusty and I'm trying to remember how to go about answering t...
Which of the following is the correct definition of an anti chain .. 1). A subset S of a partially ...
The equation: $$\dot{x} = f(x),\space x\in \mathbb{R},\space \text{where} \space f\begin{pmatrix}x_...
Let $X$ be an $H-space$, and let a multiplication $,\cdot,$ be given, associative up to homotopy. L...
In SageMath, I would like to manipulate rational functions on elliptic curves (defined on finite fie...
How many ways $12$ persons may be divided into three groups of $4$ persons each? I think the answer...