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#1 2008-09-22 16:21:02
- easilydoctor
- Member
- Registered: 2007-11-18
- Posts: 5
Challenge Question
Given a triangle ABC with side length a, b, and c. If
,what is the value of the angle
ACB?
Help me please! 
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#2 2008-09-23 05:32:05
- Kurre
- Member
- Registered: 2006-07-18
- Posts: 280
Re: Challenge Question
Hint: clear the denominator, factor a^3+b^3 and simplify. Do you recognize the equation?
Last edited by Kurre (2008-09-23 06:02:16)
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