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When trying to compile my code, latexmk keeps hitting me with an undefined control sequences. I have checked above, below, and the line it says is causing the issue, but I don't see anything wrong.

Warning message:

./230OrbitalMechanicsNotes.tex:969: Undefined control sequence.
l.969         \draw
                   [-latex](-2,0) -- (2,-2) node[right, scale = .75] at (0,-.9)

Code snippet:

\begin{figure}[H]
      \centering
      \begin{tikzpicture}[line cap = round, line join = round, >=triangle 45]
        \draw (-2,0) -- (2,0);
        \draw[dashed, -latex] (-1.5,-2) -- (2,-2) node[below, scale = .75]
        at (0,-2) {\(v_{\venus} = 35.022\)};
        \draw[-latex] (-2,0) -- (-1.5,-2) node[left, scale = .75] at (-1.7,-1)
        {\(\nu_2\);
        \draw[-latex](-2,0) -- (2,-2) node[right, scale = .75] at (0,-.9)
        {\(v_2 = 12.9005\)};
        \draw[red] (-1.3,0) arc (0:-40:.44) node[right, scale = .75]
        at (-1.2,-.2) {\(\sigma_2 = \frac{\pi}{9}\)};
        \draw[green] (1.5,-2) arc (180:140:.35) node[left, scale = .75]
        at (1.4,-1.8) {\(\sigma_2\)};
        \draw[blue] (-1.5,0) arc (0:-80:.48) node[right, scale = .75,
        fill = white] at (-1.8,-.6) {\(\varphi_2 = 68.2036\)};
      \end{tikzpicture}
    \end{figure}

I dont see any missing ;, (, (, [, ], {, }.

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Voting to close this as Too Localized as "This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet." –  Werner May 13 '13 at 23:43
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closed as too localized by Werner, Matthew Leingang, Kurt, mafp, Heiko Oberdiek May 14 '13 at 0:05

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

1 Answer

up vote 4 down vote accepted
{\(\nu_2\);

There is no closing }.

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thanks I have wasted a lot time trying to figure this out. –  dustin May 13 '13 at 23:27
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