Improve display of sphere in math section

Alleviates kth-competitive-programming#128. Thanks, @tyilo!
hockyy · May 16, 2020 · e60bbb6 · e60bbb6
1 parent bc84f22
commit e60bbb6
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/content/math/chapter.tex b/content/math/chapter.tex
@@ -63,7 +63,9 @@ \subsection{Quadrilaterals}
 $ef = ac + bd$, and $A = \sqrt{(p-a)(p-b)(p-c)(p-d)}$.
 
 \subsection{Spherical coordinates}
-\centerline{\includegraphics[width=25mm]{content/math/sphericalCoordinates}}
+\begin{center}
+\includegraphics[width=25mm]{content/math/sphericalCoordinates}
+\end{center}
 \[\begin{array}{cc}
 x = r\sin\theta\cos\phi & r = \sqrt{x^2+y^2+z^2}\\
 y = r\sin\theta\sin\phi & \theta = \textrm{acos}(z/\sqrt{x^2+y^2+z^2})\\