From abc0309f410b870fa3256d32b2400c469a6c0529 Mon Sep 17 00:00:00 2001
From: Maciej Topyla <m.m.topyla@student.tudelft.nl>
Date: Sat, 3 Sep 2022 21:05:12 +0000
Subject: [PATCH] ready to merge to master
---
src/2_coordinates.md | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/2_coordinates.md b/src/2_coordinates.md
index 53b6c4e..3744327 100644
--- a/src/2_coordinates.md
+++ b/src/2_coordinates.md
@@ -372,8 +372,8 @@ We have discussed four different coordinate systems:
4. !!! tip "Spherical coordinates"
$${\bf r} = (r, \theta, \phi).$$ This sysytem can be
used in three dimensions. It is particularly suitable for systems with spherical
- symmetry or functions given in terms of these coordinates.
- Infinitesimal distance: <br/>
+ symmetry or functions given in terms of these coordinates. <br/>
+ Infinitesimal distance:
$$ds^2 =r^2 (\sin^2 \theta d\phi^2 + d\theta^2) + dr^2 .$$
Infinitesimal volume:
$$dV = r^2 \sin(\theta) dr d\theta d\varphi.$$
--
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