<h5>Trigo04_Lecture du sinus et cosinus d'un nombre réel</h5>
<h5>Soit {Pts[0]} l'image d'un nombre réel \(x\)&nbsp; sur le cercle trigonmétrique</h5>
<p>
<script type="text/javascript" src="https://jsxgraph.org/distrib/jsxgraphcore.js"></script>
</p>
<div id="jxgbox" class="jxgbox" style="width: 500px; height: 500px;">&nbsp;</div>
<p>
<script type="text/javascript">// <![CDATA[
var brd = JXG.JSXGraph.initBoard('jxgbox', {
        boundingbox: [-1.3, 1.3, 1.3, -1.3],
        axis: true,
        grid: true,
        showFullscreen: true,
        showNavigation:false,
        showCopyright:false,
        defaultAxes:  {
        x: {
        ticks: {                                        
               ticksDistance: 0.2,
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               }
            },                       
         y: {
             ticks: {                    
                    ticksDistance: 0.2,
                    insertTicks: false
                    }
             }
       }
    });
 

    c1 = brd.create('circle',[[0,0], [1,0]]); // définir le cercle de centre p0 et rayon R
    var p0 = brd.create('point',[{X0},{Y0}],{name:'{P}',fixed:true});   

    var Lx = brd.create('segment', [[-5,0], [5,0]], {strokeColor:'red',strokeWidth:2,dash:2});
    var Ly = brd.create('segment', [[0,-5], [0,5]], {strokeColor:'red',strokeWidth:2,dash:2});
// ]]></script>
</p>