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July 5, 2015

Homework Help: calculus

Posted by Anonymous on Wednesday, October 7, 2009 at 10:50am.

The limit represents the derivative of some function f at some number a. Select an appropriate f(x) and a.
lim (cos(pi+h)+1)/h
h->0

answers are
f(x) = tan(x), a = pi
f(x) = cos(x), a = pi/4
f(x) = cos(x), a = pi
f(x) = sin(x), a = pi

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