[methods] corrections & layout of collated notes

diff --git a/methods/circ-functions.tex b/methods/circ-functions.tex
index a2d85bfbf0333cb37b647aa76c2b84b468a15261..75807917c13a6af9ac95a0b4f0ff84c699451711 100644 (file)
--- a/methods/circ-functions.tex
+++ b/methods/circ-functions.tex
@@ -91,8 +91,8 @@
                   \begin{tikzpicture}
                     \begin{axis}[yticklabel style={yshift=1.0pt, anchor=north east},x=0.1cm, y=1cm, ymax=2, ymin=-2, xticklabels={}, ytick={-1.5708,1.5708},yticklabels={\(-\frac{\pi}{2}\),\(\frac{\pi}{2}\)}]
                       \addplot[color=orange, smooth] gnuplot [domain=-35:35, unbounded coords=jump,samples=350] {atan(x)} node [pos=0.5, above left] {\(\tan^{-1}x\)};
-                      \addplot[->, gray, dotted, thick, domain=-35:35] {1.5708};
-                      \addplot[->, gray, dotted, thick, domain=-35:35] {-1.5708};
+                      \addplot[gray, dotted, thick, domain=-35:35] {1.5708} node [black, font=\footnotesize, below right, pos=0] {\(y=\frac{\pi}{2}\)};
+                      \addplot[gray, dotted, thick, domain=-35:35] {-1.5708} node [black, font=\footnotesize, above left, pos=1] {\(y=-\frac{\pi}{2}\)};
                     \end{axis}
                   \end{tikzpicture}
 
@@ -122,7 +122,7 @@ where:
   \item Asymptotes at \(x=\frac{(2k+1)\pi}{2n}\)
 \end{description}
 
-\textbf{Asymptotes should always have equations and arrow pointing up}
+\textbf{Asymptotes should always have equations}
 
 \subsection*{Solving trig equations}