<h4>trigo_00 Utiliser le cercle trigonométrique</h4>
<h4>Sur le cercle trigonométrique ci-dessous sont placés les points A, B et C.</h4>
<p>
<script type="text/javascript" src="https://jsxgraph.org/distrib/jsxgraphcore.js"></script>
</p>
<div id="jxgbox" class="jxgbox" style="width: 400px; height: 400px;"> </div>
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var b = JXG.JSXGraph.initBoard('jxgbox', 
         {boundingbox: [-1.5, 1.5, 1.5, -1.5],
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var p0 = b.create('point',[0,0], {name:'0',size: 1, face: 'o',fixed:true});
var p1 = b.create('point',[1,0], {name:'A',size: 1, face: 'o',visible:true,fixed:true});
var p2 = b.create('point',[0,1], {name:'K',size: 1, face: 'o',visible:true,fixed:true});
var p3 = b.create('point',[1,1], {name:'',size: 1, face: 'o',visible:true,fixed:true});
var ci = b.create('circle',[p0,p1], {strokeColor:'blue',strokeWidth:2});
var p5 = b.create('glider',[0.71,0.71,ci], {name:'A',size: 1, face: 'o'});

var theta = b.create('angle', ['10','0','M'],{name:'&theta;',type:'sector', orthoType:'square', orthoSensitivity:2, radius:0.5});
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