ex-4: change the order of the entries of the definition of atan()

2020-05-30 18:41:20 +02:00 · 2020-05-30 18:41:20 +02:00 · 28664215e8
commit 28664215e8
parent ac9789a7d6
1 changed files with 2 additions and 2 deletions
--- a/notes/sections/4.md
+++ b/notes/sections/4.md
@ -100,8 +100,8 @@ where:
 $$
 \begin{cases}
  \arctan(P_h/P_v) &\incase P_v > 0 \\
-  \arctan(P_h/P_v) + \pi &\incase P_v < 0 \\
-  \pi/2 &\incase P_v = 0
+  \pi/2 &\incase P_v = 0            \\
+  \arctan(P_h/P_v) + \pi &\incase P_v < 0
 \end{cases}
 $$