قانون کسینوس‌ها: تفاوت میان نسخه‌ها

 

== پیوند به بیرون ==

* [http://www.plainmath.net/index.php?page=trigcosines An Excellent Tutorial on the Law of Cosines] From PlainMath.Net

* [http://www.cut-the-knot.org/pythagoras/cosine.shtml Several derivations of the Cosine Law, including Euclid's] at [[cut-the-knot]]