From 178e5ceacf8c3e09eb08f692b0758bb3757c9d20 Mon Sep 17 00:00:00 2001
From: zleyyij <75810274+zleyyij@users.noreply.github.com>
Date: Fri, 13 Sep 2024 16:28:55 -0600
Subject: [PATCH] vault backup: 2024-09-13 16:28:55

---
 education/math/MATH1060 (trig)/The Unit Circle.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/education/math/MATH1060 (trig)/The Unit Circle.md b/education/math/MATH1060 (trig)/The Unit Circle.md
index 8bbfdd2..59f62a4 100644
--- a/education/math/MATH1060 (trig)/The Unit Circle.md	
+++ b/education/math/MATH1060 (trig)/The Unit Circle.md	
@@ -18,6 +18,15 @@ $$ sin(\theta) = y $$
 
 ![image](./assets/unitcirc.png)
 
+Finding a reference angle:
+
+| Quadrant | Formula               |
+| -------- | --------------------- |
+| 1        | $\theta$              |
+| 2        | $180\degree - \theta$ |
+| 3        | $\theta - 180\degree$ |
+| 4        | $360\degree - \theta$ |
+
 ## The Pythagorean Identity
 The Pythagorean identity expresses the Pythagorean theorem in terms of trigonometric functions. It's a basic relation between the sine and cosine functions.
 $$ sin^2 \theta + cos^2 \theta = 1 $$