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1989 AHSME Problems/Problem 28

Revision as of 05:17, 19 February 2012 by Ckorr2003 (talk | contribs) (Created page with "Find the sum of the roots of <math>\tan^2x-9\tan x+1=0</math> that are between <math>x=0</math> and <math>x=2\pi</math> radians. <math> \mathrm{(A) \frac{\pi}{2} } \qquad \math...")
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Find the sum of the roots of $\tan^2x-9\tan x+1=0$ that are between $x=0$ and $x=2\pi$ radians.

$\mathrm{(A) \frac{\pi}{2} } \qquad \mathrm{(B) \pi } \qquad \mathrm{(C) \frac{3\pi}{2} } \qquad \mathrm{(D) 3\pi } \qquad \mathrm{(E) 4\pi }$

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