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
Unique-IP document downloads: 179 times
Add your own feedback and questions here:
You are equally welcome to be positive or negative about any paper but please be polite. If you are being critical you must mention at least one specific error, otherwise your comment will be deleted as unhelpful.