Authors: Hilário Fernandes de Araújo Júnior
The cosine's law shows that, if we have a triangle with sides a, b and c, and an angle α between the sides b and c, this relationship is right: a²=b²+c²−2bc[cos α].Will be shown here this law deduction through the trigonometry's fundamental relation.
Comments: 3 Pages.
[v1] 2012-05-13 16:00:45
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