From 187699f1444a6ae188d6f4831d87ceab05f192ac Mon Sep 17 00:00:00 2001
From: zleyyij <75810274+zleyyij@users.noreply.github.com>
Date: Wed, 16 Oct 2024 11:23:24 -0600
Subject: [PATCH] vault backup: 2024-10-16 11:23:24

---
 education/math/MATH1060 (trig)/Addition and Subtraction.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/education/math/MATH1060 (trig)/Addition and Subtraction.md b/education/math/MATH1060 (trig)/Addition and Subtraction.md
index aebf144..a3b4ee6 100644
--- a/education/math/MATH1060 (trig)/Addition and Subtraction.md	
+++ b/education/math/MATH1060 (trig)/Addition and Subtraction.md	
@@ -1,4 +1,4 @@
 Given the formula $\sin(\alpha + \beta)$:
 $$ \sin(\alpha + \beta) = \sin(\alpha)\cos(\beta) + \cos(\alpha)\sin(\beta) $$
 Given the formula $\cos(\alpha + \beta)$:
-$$ \cos(\alpha + \beta) = 
\ No newline at end of file
+$$ \cos(\alpha + \beta) = \cos(\alpha)\cos(\beta) - \sin(\alpha)\sin(\beta) $$