<PRE><B>Question 719291</B>
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That is exactly what you need to do.  The ugly thing doesn&#39;t factor either.  So without using your calculator to get approximations of the values, the best you will be able to do is report that *[tex \LARGE \beta\ =\ sin^{-1}\left(\frac{5\ \pm\ \sqrt{33}}{8}\right)]. 


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
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My calculator said it, I believe it, that settles it
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