Tangents on circle - Revision history

A WASSERMANN at 11:05, 17 March 2020

2020-03-17T11:05:27Z

← Older revision		Revision as of 11:05, 17 March 2020
Line 34:		Line 34:

	// If p is not on c, the tangent is the polar.		// If p is not on c, the tangent is the polar.
	t = brd.~~createElement~~('tangent', [c,p], {name:'polar', withLabel:true});		t = brd.create('tangent', [c,p], {name:'polar', withLabel:true});

	i1 = brd.create('intersection', [c,t,0],{visible:false});		i1 = brd.create('intersection', [c,t,0],{visible:false});

A WASSERMANN at 16:27, 21 April 2010

2010-04-21T16:27:40Z

← Older revision		Revision as of 16:27, 21 April 2010
Line 6:		Line 6:
	brd.options.point.fillOpacity = 0.8;		brd.options.point.fillOpacity = 0.8;

	m = brd.~~createElement~~('point',[0.5,0.3]);		m = brd.create('point',[0.5,0.3]);
	b = brd.~~createElement~~('point',[3,0]);		b = brd.create('point',[3,0]);
	c = brd.~~createElement~~('circle',[m,b]);		c = brd.create('circle',[m,b]);
	p = brd.~~createElement~~('point',[-4,2]);		p = brd.create('point',[-4,2]);

	// If p is not on c, the tangent is the polar.		// If p is not on c, the tangent is the polar.
	t = brd.~~createElement~~('tangent', [c,p], {name:'polar', withLabel:true});		t = brd.create('tangent', [c,p], {name:'polar', withLabel:true});

	i1 = brd.~~createElement~~('intersection', [c,t,0],{visible:false});		i1 = brd.create('intersection', [c,t,0],{visible:false});
	i2 = brd.~~createElement~~('intersection', [c,t,1],{visible:false});		i2 = brd.create('intersection', [c,t,1],{visible:false});
	t1 = brd.~~createElement~~('tangent', [c,i1]);		t1 = brd.create('tangent', [c,i1]);
	t2 = brd.~~createElement~~('tangent', [c,i2]);		t2 = brd.create('tangent', [c,i2]);
	</jsxgraph>		</jsxgraph>

Line 28:		Line 28:
	brd.options.point.fillOpacity = 0.8;		brd.options.point.fillOpacity = 0.8;

	m = brd.~~createElement~~('point',[0.5,0.3]);		m = brd.create('point',[0.5,0.3]);
	b = brd.~~createElement~~('point',[3,0]);		b = brd.create('point',[3,0]);
	c = brd.~~createElement~~('circle',[m,b]);		c = brd.create('circle',[m,b]);
	p = brd.~~createElement~~('point',[-4,2]);		p = brd.create('point',[-4,2]);

	// If p is not on c, the tangent is the polar.		// If p is not on c, the tangent is the polar.
	t = brd.createElement('tangent', [c,p], {name:'polar', withLabel:true});		t = brd.createElement('tangent', [c,p], {name:'polar', withLabel:true});

	i1 = brd.~~createElement~~('intersection', [c,t,0],{visible:false});		i1 = brd.create('intersection', [c,t,0],{visible:false});
	i2 = brd.~~createElement~~('intersection', [c,t,1],{visible:false});		i2 = brd.create('intersection', [c,t,1],{visible:false});
	t1 = brd.~~createElement~~('tangent', [c,i1]);		t1 = brd.create('tangent', [c,i1]);
	t2 = brd.~~createElement~~('tangent', [c,i2]);		t2 = brd.create('tangent', [c,i2]);
	</source>		</source>

	[[Category:Examples]]		[[Category:Examples]]
	[[Category:Geometry]]		[[Category:Geometry]]

A WASSERMANN at 13:54, 22 September 2009

2009-09-22T13:54:47Z

← Older revision		Revision as of 13:54, 22 September 2009
Line 11:		Line 11:
	p = brd.createElement('point',[-4,2]);		p = brd.createElement('point',[-4,2]);

			// If p is not on c, the tangent is the polar.
	t = brd.createElement('tangent', [c,p], {name:'polar', withLabel:true});		t = brd.createElement('tangent', [c,p], {name:'polar', withLabel:true});

Line 32:		Line 33:
	p = brd.createElement('point',[-4,2]);		p = brd.createElement('point',[-4,2]);

			// If p is not on c, the tangent is the polar.
	t = brd.createElement('tangent', [c,p], {name:'polar', withLabel:true});		t = brd.createElement('tangent', [c,p], {name:'polar', withLabel:true});

A WASSERMANN at 13:45, 22 September 2009

2009-09-22T13:45:16Z

@@ Line 21: / Line 21: @@
 ===The underlying JavaScript code===
 <source lang="javascript">
 </source>
 [[Category:Examples]]
 [[Category:Geometry]]

A WASSERMANN at 13:43, 22 September 2009

2009-09-22T13:43:40Z

← Older revision		Revision as of 13:43, 22 September 2009
Line 6:		Line 6:
	brd.options.point.fillOpacity = 0.8;		brd.options.point.fillOpacity = 0.8;

	m = brd.createElement('point',[0,0]);		m = brd.createElement('point',[0.5,0.3]);
	b = brd.createElement('point',[3,0]);		b = brd.createElement('point',[3,0]);
	c = brd.createElement('circle',[m,b]);		c = brd.createElement('circle',[m,b]);

A WASSERMANN at 13:43, 22 September 2009

2009-09-22T13:43:08Z

← Older revision		Revision as of 13:43, 22 September 2009
Line 9:		Line 9:
	b = brd.createElement('point',[3,0]);		b = brd.createElement('point',[3,0]);
	c = brd.createElement('circle',[m,b]);		c = brd.createElement('circle',[m,b]);
	p = brd.createElement('point',[-5,2]);		p = brd.createElement('point',[-4,2]);

	t = brd.createElement('tangent', [c,p], {name:'polar', withLabel:true});		t = brd.createElement('tangent', [c,p], {name:'polar', withLabel:true});

A WASSERMANN at 13:43, 22 September 2009

2009-09-22T13:43:00Z

← Older revision		Revision as of 13:43, 22 September 2009
Line 9:		Line 9:
	b = brd.createElement('point',[3,0]);		b = brd.createElement('point',[3,0]);
	c = brd.createElement('circle',[m,b]);		c = brd.createElement('circle',[m,b]);
	p = brd.createElement('point',[-3,2]);		p = brd.createElement('point',[-5,2]);

	t = brd.createElement('tangent', [c,p], {name:'polar', withLabel:true});		t = brd.createElement('tangent', [c,p], {name:'polar', withLabel:true});

A WASSERMANN at 13:42, 22 September 2009

2009-09-22T13:42:43Z

← Older revision		Revision as of 13:42, 22 September 2009
Line 9:		Line 9:
	b = brd.createElement('point',[3,0]);		b = brd.createElement('point',[3,0]);
	c = brd.createElement('circle',[m,b]);		c = brd.createElement('circle',[m,b]);
	p = brd.createElement('point',[-2,4]);		p = brd.createElement('point',[-3,2]);

	t = brd.createElement('tangent', [c,p], {name:'polar', withLabel:true});		t = brd.createElement('tangent', [c,p], {name:'polar', withLabel:true});

A WASSERMANN at 13:42, 22 September 2009

2009-09-22T13:42:18Z

← Older revision		Revision as of 13:42, 22 September 2009
Line 9:		Line 9:
	b = brd.createElement('point',[3,0]);		b = brd.createElement('point',[3,0]);
	c = brd.createElement('circle',[m,b]);		c = brd.createElement('circle',[m,b]);
	p = brd.createElement('point',[2,4]);		p = brd.createElement('point',[-2,4]);

	t = brd.createElement('tangent', [c,p], {name:'polar', withLabel:true});		t = brd.createElement('tangent', [c,p], {name:'polar', withLabel:true});

A WASSERMANN at 13:41, 22 September 2009

2009-09-22T13:41:50Z

← Older revision		Revision as of 13:41, 22 September 2009
Line 11:		Line 11:
	p = brd.createElement('point',[2,4]);		p = brd.createElement('point',[2,4]);

	t = brd.createElement('tangent', [c,p], {name:'polar'});		t = brd.createElement('tangent', [c,p], {name:'polar', withLabel:true});

	i1 = brd.createElement('intersection', [c,t,0],{visible:false});		i1 = brd.createElement('intersection', [c,t,0],{visible:false});