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Date: Sat, 25 Jan 1997 22:35:44 +0800
From: Calvin Lui
Dear Alexander:
I am so sorry that I forgot to tell you what I find difficult about the question.
In this question,I don't not I should use cosine rule or sine rule. I have try to use cosine rule and also sine rule but I still could not solve the question.
The question is so difficult that I can't solve .could you please help me to solve it
From,Ronald
Copyright © 1996-2008 Alexander Bogomolny
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