Prove that in any triangle ABC, 8.cos(A).cos(B).cos(C) < 1.
The way it comes across on my web browser (IE 5.50 on Win '98) I can not understand what the problem is asking.
What does 8.cos(A).cos(B).cos(C) mean?
Are the periods supposed to be multiplication signs?
Posted by Erik O.
on 2005-03-22 17:25:46