Toán 11

Good Questions in Limits

Good Questions in Limits Credit: www.math.cornell.edu  1. Good Questions in Limits Question 1. Let $f$ be the function defined by $f(x)=\sin x+\cos x$ and let $g$ be the function defined by $g(u)=\sin u+\cos u$, for all real numbers $x$ and $u$. Then, (a) $f$ and $g$...

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