[spec] start vector calculus

diff --git a/methods/circ-functions.md b/methods/circ-functions.md
index e639e709de0772c90de4be0cc9ba261c25289b83..27ce6d5201c997f66f667639565274cf24580b19 100644 (file)
--- a/methods/circ-functions.md
+++ b/methods/circ-functions.md
@@ -1,21 +1,27 @@
 ---
-geometry: margin=2cm
+geometry: a4paper, margin=2cm
 columns: 2
-graphics: yes
+author: Andrew Lorimer
+header-includes:
+- \usepackage{setspace}
+- \usepackage{fancyhdr}
+- \usepackage{graphicx}
+- \pagestyle{fancy}
+- \fancyhead[LO,LE]{Year 12 Methods}
+- \fancyhead[CO,CE]{Andrew Lorimer}
 ---
-# Circular functions
 
-<!-- ## Radians and degrees -->
+\setstretch{1.2}
+\pagenumbering{gobble}
 
-<!-- $$1 \thinspace \operatorname{rad}={{180 \operatorname{deg}}\over \pi}$$ -->
+# Circular functions
 
 ## Exact values
 
 \includegraphics[width=0.2\textwidth]{./graphics/exact-values-1.png}
 \includegraphics[width=0.2\textwidth]{./graphics/exact-values-2.png}
 
-<!-- ![diag](graphics/exact-values-1.png) -->
-<!-- ![diag](graphics/exact-values-2.png) -->
+$$1 \thinspace \operatorname{rad}={{180 \operatorname{deg}}\over \pi}$$
 
 ## $\sin$ and $\cos$ graphs