From 4dfc708a7233ec274c6da65f0debd48c4cdd6703 Mon Sep 17 00:00:00 2001
From: zleyyij <75810274+zleyyij@users.noreply.github.com>
Date: Wed, 16 Oct 2024 10:18:30 -0600
Subject: [PATCH] vault backup: 2024-10-16 10:18:30

---
 education/math/MATH1060 (trig)/Addition and Subtraction.md | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/education/math/MATH1060 (trig)/Addition and Subtraction.md b/education/math/MATH1060 (trig)/Addition and Subtraction.md
index d90059b..aebf144 100644
--- a/education/math/MATH1060 (trig)/Addition and Subtraction.md	
+++ b/education/math/MATH1060 (trig)/Addition and Subtraction.md	
@@ -1,3 +1,4 @@
 Given the formula $\sin(\alpha + \beta)$:
-
-$$ \sin()
\ No newline at end of file
+$$ \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