From 0c04b0fdbd475c663726c767cd4679518d42b160 Mon Sep 17 00:00:00 2001
From: fdai7968 <julian.schneider@informatik.hs-fulda.de>
Date: Thu, 8 Feb 2024 16:51:13 +0000
Subject: [PATCH] refactoring: if angle is 0 return 1 for cosinus

---
 src/trig_functions/trig_functions.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/trig_functions/trig_functions.c b/src/trig_functions/trig_functions.c
index ffae719..7f12327 100644
--- a/src/trig_functions/trig_functions.c
+++ b/src/trig_functions/trig_functions.c
@@ -7,7 +7,8 @@ double calculate_sin(double angle) {
 }
 
 double calculate_cos(double angle) {
-    return cos(angle);
+    if (angle==0) return 1;
+    else return cos(angle);
 }
 
 double calculate_tan(double angle) {