vault backup: 2024-09-13 16:23:00

.obsidian/app.json

@@ -8,5 +8,6 @@
     "downscalePercent": 100
   },
   "spellcheck": true,
-  "focusNewTab": false
+  "focusNewTab": false,
+  "alwaysUpdateLinks": true
 }

education/math/MATH1060 (trig)/The Unit Circle.md

@@ -4,7 +4,7 @@ The unit circle has a center a $(0, 0)$, and a radius of $1$ with no defined uni
 Sine and cosine can be used to find the coordinates of specific points on the unit circle.
 
 **Sine likes $y$, and cosine likes $x$.**
-
+![image](./assets/sincoscirc.png)
 When sine is positive, the $y$ value is positive. When $x$ is positive, the cosine is positive.
 
 $$ cos(\theta) = x $$
@@ -15,7 +15,8 @@ $$ sin(\theta) = y $$
 | ------ | --- | ------------------------------- | ------------------------------ | ------------------------------ |
 | Cosine | 1   | $\frac{\sqrt{3}}{2}$            | $\frac{\sqrt{2}}{2}$           | $0$                            |
 | Sine   | 0   | $\frac{1}{2}$                   | $\frac{\sqrt{2}}{2}$           | <br>$1$                        |
-![image]()
+
+![image](./assets/unitcirc.png)
 
 ## 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.