Asked by TayB

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it.
lim x→∞ (x tan(3/x))
Answered by Steve
let u = 1/x

then you have

tan(3u)/u as u->0
we know that tan(u)/u -> 0, so

tan(3u)/u -> 3
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