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Help!

Name: Anonymous 2008-03-23 16:34

f(x) = cos^2(x) + cos(x)
M = maximum of f(x)
m = minimum of f(x)
a = M - m = ?
 

Name: Anonymous 2008-03-24 8:43

>>5
Yes, you're right. (sniff, burns Ph.D)

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