Difference between revisions of "Cosine"

From JSXGraph Wiki
Jump to navigationJump to search
Line 1: Line 1:
  <jsxgraph box="box" width="500" height="500">
 
      var brd = JXG.JSXGraph.initBoard('box', {boundingbox: [-1.5, 1.5, 1.5, -1.5], axis:true});
 
      var ax = brd.create('line',[[0,0],[1,0]],{visible:false});
 
      var ay = brd.create('line',[[0,0],[0,1]],{visible:false});
 
 
      var p0 = brd.create('point',[0,0],{fixed:true,visible:false});
 
      var p1 = brd.create('point',[1,0],{name:'',visible:false,fixed:true});
 
      var c = brd.create('circle',[p0,p1],{dash:2,strokeWidth:1,strokeOpacity:0.6});
 
  
 
      var p2 = brd.create('point',[Math.cos(x.X()),Math.sin(x.X())],{name:'exp(ix)',fixed:true,size:1, strokeColor:'green'});
 
 
      var p3 = brd.create('point',[function(){return p2.X();},0.0],{visible:false,name:'',withLabel:false});
 
      var p4 = brd.create('point',[0.0,function(){return p2.Y();}],{visible:false,name:'',withLabel:false});
 
 
      brd.create('line',[p2,p4],{straightFirst:false,straightLast:false,strokeColor:'red'});    // cos
 
      brd.create('text',[
 
        function(){return (p2.X()+p4.X())*0.3;},
 
        function(){return p2.Y()+0.05;},
 
        'cos'],{});
 
 
 
 
  </jsxgraph>
 
  
 
   <jsxgraph box="boxR" width="500" height="500">  
 
   <jsxgraph box="boxR" width="500" height="500">  

Revision as of 13:46, 6 March 2016