Difference between revisions of "Law of Tangents"

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The '''Law of Tangents''' states that for any <math>a</math> and <math>b</math> such that <math>\tan a,\tan b \subset \mathbb{R}</math>,
 
The '''Law of Tangents''' states that for any <math>a</math> and <math>b</math> such that <math>\tan a,\tan b \subset \mathbb{R}</math>,
 
<math>\frac{a-b}{a+b}=\frac{\tan(a-b)}{\tan(a+b)}</math>
 
<math>\frac{a-b}{a+b}=\frac{\tan(a-b)}{\tan(a+b)}</math>
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* [[Law of Sines]]
 
* [[Law of Sines]]
 
* [[Law of Cosines]]
 
* [[Law of Cosines]]
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[[Category:Trigonometry]]
 
[[Category:Trigonometry]]

Revision as of 18:30, 26 November 2007

The Law of Tangents states that for any $a$ and $b$ such that $\tan a,\tan b \subset \mathbb{R}$, $\frac{a-b}{a+b}=\frac{\tan(a-b)}{\tan(a+b)}$


See also

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