2223791 comment Comment Re:trivialties (Score 1) 222 by chem nerd on Thursday October 14, 1999 @12:05PM (#1616159) Attached to: Caffeine Good For Long-Term Memory The second derivative of f(x) is:18x-sinx*cot4x-5 +2cosx*(-4-4cot(4x-5)^2-8sinx*cot4x-5*-4-4cot(4x-5 )^2