Prove that in a triangle with angles , and : .
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Originally Posted by james_bond Prove that in a triangle with angles , and : . I will use instead because it is easier to type in LaTeX. If are angles of a triangle then . That means, Thus, Factor, Use identity,
Last edited by ThePerfectHacker; Jan 13th 2008 at 12:36 PM.
Thank you very much, just a little typo at the end...
Originally Posted by james_bond Thank you very much, just a little typo at the end... Fixed.
Sorry but in a triange . Am I wrong? . (Of course the rest seems to be correct...)
Originally Posted by james_bond Sorry but in a triange . Am I wrong? . (Of course the rest seems to be correct...) Yes, another mistake. I meant they add up to .
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