# Making equations separated

I've been new to LaTeX and was tasked to rewrite certain pages of our tutor handbooks for our math classes. I've figured how to do most things but I get stuck when trying to replicate something like this:

where all the equations are separated into like an invisible table. How would I go about writing something like this?

• Welcome to TeX.SE. Please provide the code of what you have so far. Commented Oct 25, 2021 at 7:52
• Don't reproduce it exactly: there are some LaTeX errors in the image. Commented Oct 25, 2021 at 8:05

Try to use of the align defined in the amsmath package. As starting point:

\documentclass{article}
\usepackage{amsmath}

\begin{document}
\begin{align*}
a & = b     &   c & = d     &   e &= f
\end{align*}
\end{document}


Edit: Since meanwhile @Sebastiano rewrite first your first two equations, I (shameless) take his code of them to show, how can looks my original answer after inserting real equations in it:

\documentclass{article}
\usepackage{amsmath}
%---------------- Show page layout. Don't use in a real document!
\usepackage{showframe}
\renewcommand\ShowFrameLinethickness{0.15pt}
\renewcommand*\ShowFrameColor{\color{red}}
%---------------------------------------------------------------%

\begin{document}
\begin{align*}
\frac{d}{dx} \sin x & =\cos x
& \frac{d}{dx} \sec x & =\sec x \tan x
& \frac{d}{dx} \tan^{-1} x  & = \frac{1}{1+x^2} \\
\frac{d}{dx} \cos x & =-\sin x
& \frac{d}{dx} \cot x & =-\csc x
& \frac{d}{dx} \csc^{-1} x  & =- \frac{1}{x\sqrt{x^2-1}}
\end{align*}
\end{document}


(red lines shows part of page layout)

• Ahahahaahh for your edit..... Commented Oct 25, 2021 at 15:11

I have used in this MWE, for example, the flalign enviroment. If you not want enumerate one equation you can put \nonumber. If you not want enumerate all the equations you can use flalign instead of flalign* (see the comment of @Zarko).

\documentclass[a4paper,12pt]{article}
\usepackage{amsmath,amssymb}
\begin{document}
\begin{flalign}
\frac{d}{dx} \sin x & =\cos x & \frac{d}{dx} \sec x & =\sec x \tan x & \frac{d}{dx} \tan^{-1} x  & = \frac{1}{1+x^2}\nonumber\\
\frac{d}{dx} \cos x & =-\sin x & \frac{d}{dx} \cot x & =-\csc x  & \frac{d}{dx} \csc^{-1} x  & =- \frac{1}{x\sqrt{x^2-1}}
\end{flalign}
\end{document}


If you want to have the same text/math-font I suggest to use Cambria Math with the engine XeTeX or XeLaTeX, that it is used also in a any document-Word.

\documentclass[a4paper,12pt]{article}
\usepackage{amsmath}
\usepackage{unicode-math}
\setmainfont{Cambria}
\setmathfont{Cambria Math}
\begin{document}
Trigonometric Functions: derivates
\begin{flalign*}
\frac{d}{dx} \sin x & =\cos x & \frac{d}{dx} \sec x & =\sec x \tan x & \frac{d}{dx} \tan^{-1} x  & = \frac{1}{1+x^2}\\
\frac{d}{dx} \cos x & =-\sin x & \frac{d}{dx} \cot x & =-\csc x  & \frac{d}{dx} \csc^{-1} x  & =- \frac{1}{x\sqrt{x^2-1}}
\end{flalign*}
\end{document}


• Better exploited available space! +1. BTW, if OP doesn't like to number equations, (s)he can use flalign* ;-) Commented Oct 25, 2021 at 9:27
• @Zarko Very very nice you are Zarko. Thank you very much. Now I improved my strict comment. Commented Oct 25, 2021 at 9:28

The original document left aligned the equations (as opposed to aligning the =). Also, every column was the same width. To achieve this effect I used a tabular with a new column type.

MWE borrowed from Sebatiano.

\documentclass[a4paper,12pt]{article}
\usepackage{amsmath}
\usepackage{array,collcell}
\usepackage{showframe}% check margins

\newlength{\mycolwidth}
\setlength{\mycolwidth}{\dimexpr \textwidth/3 - 2\tabcolsep}
\newcommand{\mycolumn}[1]{\hbox to \mycolwidth{$\displaystyle #1$\hfill}}
\newcolumntype{D}{>{\collectcell\mycolumn}l<{\endcollectcell}}

\begin{document}
\def\arraystretch{2.2}% increase spacing
\noindent\begin{tabular}{@{}DDD@{}}
\multicolumn{3}{c}{\underline{Trigonometric Functions: derivates}}\\
\frac{d}{dx} \sin x =\cos x & \frac{d}{dx} \sec x =\sec x \tan x & \frac{d}{dx} \tan^{-1} x  = \frac{1}{1+x^2}\\
\frac{d}{dx} \cos x =-\sin x & \frac{d}{dx} \cot x =-\csc x  & \frac{d}{dx} \csc^{-1} x  =- \frac{1}{x\sqrt{x^2-1}}
\end{tabular}
\end{document}

• Very kind John. You can take all :-)...(please you write taken and not stolen) :-) Commented Oct 25, 2021 at 14:38
• @Sebastiano - But "stolen" is funnier. Commented Oct 25, 2021 at 14:45
• I understood a bit the English language...:-) "stolen" is rubare in Italian language :-) and I not like it. Commented Oct 25, 2021 at 14:47
• @Sebastiano - I admit that under Noble Values,, stealing is an example of exerting prowess, showing that the thief is superior to the victim. (See elfsoft2000.com/politics/class.htm) That was not my intention. Commented Oct 25, 2021 at 14:53
• Don't worry absolutely. I didn't think anything of it at all and you don't have to apologize. My best regards. Commented Oct 25, 2021 at 14:58