From 4adcc6e2ce83cca88ef7dd78582d8b5bc5617d05 Mon Sep 17 00:00:00 2001
From: Philipp Le <philipp-le-prviat@freenet.de>
Date: Sat, 30 May 2020 01:05:02 +0200
Subject: Corrections to Chapter 2 and Exercise 2

---
 exercise02/exercise02.tex | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'exercise02/exercise02.tex')

diff --git a/exercise02/exercise02.tex b/exercise02/exercise02.tex
index 3c5e412..e561555 100644
--- a/exercise02/exercise02.tex
+++ b/exercise02/exercise02.tex
@@ -139,10 +139,10 @@
 				 &= \frac{1}{\pi n} \left(
 				 	\SI{0.8}{V} \cdot \left(
 				 		\sin\left(\frac{\pi}{2}n\right)
-				 		- \underbrace{\sin\left(-\frac{\pi}{2}n\right)}_{= \sin\left(\frac{\pi}{2}n\right)}
+				 		- \underbrace{\sin\left(-\frac{\pi}{2}n\right)}_{= -\sin\left(\frac{\pi}{2}n\right)}
 				 	\right)
 				 	- \SI{0.2}{V} \cdot \left(
-				 		\underbrace{\sin\left(\frac{3\pi}{2}n\right)}_{= \sin\left(\frac{\pi}{2}n\right)}
+				 		\underbrace{\sin\left(\frac{3\pi}{2}n\right)}_{= -\sin\left(\frac{\pi}{2}n\right)}
 				 		- \sin\left(\frac{\pi}{2}n\right)
 				 	\right)
 				 \right) \\
@@ -806,7 +806,7 @@
 		\end{equation*}
 		Using the time-shift theorem:
 		\begin{equation*}
-			u_o(t) = \mathcal{F}^{-1}\left\{\underline{U}_i\left(j \omega\right)\right\} = \SI{1.19}{V} \cdot \cos\left(2 \pi \cdot \SI{2.5}{kHz} \cdot t - \SI{53.6}{\degree}\right)
+			u_o(t) = \mathcal{F}^{-1}\left\{\underline{U}_i\left(j \omega\right)\right\} = \SI{1.19}{V} \cdot \cos\left(2 \pi \cdot \SI{2.5}{kHz} \cdot t + \SI{53.6}{\degree}\right)
 		\end{equation*}
 		The signal has been attenuated and phase-shifted.
 	\end{tasks}
-- 
cgit v1.1

