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I am completely new to latex. Was trying to make a circle but was not really what I wished to make. Please help and thank you in advance.enter image description here

Sophia N.
  • 55

1 Answers1

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Like this:

enter image description here

Code:

\documentclass[10pt,a4paper]{article}

\usepackage{tikz}
\begin{document}
    \begin{tikzpicture}[scale=3] 
        \coordinate (0,0) node[left] (O) {O};
        \draw[-latex] (0,0)--(1.3,0) node[right] () {$x$};
        \draw (0,0) circle(1cm); 
        \fill (63:1) circle(1pt);
        \draw (0,0)--(63:1) node[midway,left] () {$V$}; 
        \draw[dashed] ({cos(63)},0)--(63:1);
        \draw[latex-latex] (1.12,0) arc (0:63:1.12) node[midway,fill=white] () {$V$};
        \node at (63:1.2) (a) {P$(x,y)$};
    \end{tikzpicture}

\end{document}

ADD: For a more complete picture:

enter image description here

put this code:

\documentclass[10pt,a4paper]{article}

\usepackage{tikz}
\begin{document}
    \begin{tikzpicture}[scale=3] 
        \coordinate (0,0) node[above left] (O) {O};
        \draw[-latex] (0,0)--(1.3,0) node[right] () {$x$};
        \draw (0,0) circle(1cm); 
        \fill (63:1) circle(1pt);
        \draw (0,0)--(63:1) node[midway,left] () {$V$}; 
        \draw[dashed] ({cos(63)},0)--(63:1);
        \draw[latex-latex] (1.12,0) arc (0:63:1.12) node[midway,fill=white] () {$V$};
        \node at (63:1.2) (a) {P$(x,y)$};
        \draw[-latex] (.25,0) arc(0:63:.25) node[midway,right] () {1 radiant};
        \draw[-latex] (.2,0) arc(0:360:.2) node[pos=.75,below] () {$2\pi$ radiants};
    \end{tikzpicture}

\end{document}

EDIT: For a more realistic picture change the value '63' to '57.3' (1 radiant in degree) everywhere in the code above.

Raffaele Santoro
  • 9,702