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| -rw-r--r-- | latex.html.markdown | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/latex.html.markdown b/latex.html.markdown index c980f5e5..e8bc6064 100644 --- a/latex.html.markdown +++ b/latex.html.markdown @@ -141,7 +141,7 @@ Operators are essential parts of a mathematical document: trigonometric functions ($\sin$, $\cos$, $\tan$), logarithms and exponentials ($\log$, $\exp$), limits ($\lim$), etc.\ -have per-defined LaTeX commands. +have pre-defined LaTeX commands. Let's write an equation to see how it's done: $\cos(2\theta) = \cos^{2}(\theta) - \sin^{2}(\theta)$ |