How to Insert a Delta Symbol (Δ,𝛿) in LaTeX

You can write a small delta in a LaTeX document by using \(\delta \) or $\delta$. For a capital delta (Δ) you have to write \(\Delta \) or $\Delta$.

\documentclass{article}
\begin{document}
This is a Text containing a small delta symbol $\delta$ as well as a
big delta symbol $\Delta$. It is done using an inline equation.
\end{document}