vault backup: 2024-09-13 16:28:55

2024-09-13 16:28:55 -06:00 · 2024-09-13 16:28:55 -06:00 · 178e5ceacf
commit 178e5ceacf
parent d5fbb8d908
1 changed files with 9 additions and 0 deletions
--- a/education/math/MATH1060
+++ b/education/math/MATH1060
@ -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.
 $$ sin^2 \theta + cos^2 \theta = 1 $$