Mathematics Problem Of the Week

Spring 2005

POW #10: Sum of a Trig

Find the sum of the roots of

tan²(x) - 9tan(x) + 1 = 0

that are between

Due Friday, April 8^th, at Noon.

Solutions should be submitted to Dr. Maegan Bos’ mailbox in the Math office or sent via e-mail to mbos@stlawu.edu

Presentation counts! The prize-winning entry will be selected from all correct submissions, based on the clarity, creativity and elegance of the solution.

Look for the SLU POW on the Web at http://it.stlawu.edu/~math/activities/