Typo

Misc/Warm-Ups/sin.tex

@@ -19,7 +19,7 @@
 
 	\generic{Helpful identities:}
 	This is not a complete list. In many cases, geometry is more helpful than algebra. \\
-	Note that the first idenity is only valid if $\alpha \in [0, 90]$.
+	Note that the first identity is only valid if $\alpha \in [0, 90]$.
 
 	\vspace{2mm}
 	$\sin(\frac{\alpha}{2}) = \sqrt{\frac{1 - \cos(\alpha)}{2}}$ \\
@@ -32,7 +32,7 @@
 		\vspace{5mm}
 
 		A good order to go in is 45, 30, 60, 15, 75, 36, 18, 3, 6, 72, 9, 1. \\
-		You should be able to get all of these using only geometery and the identities above.
+		You should be able to get all of these using only geometry and the identities above.
 	\end{solution}
 
 \end{document}