Does the series ∞∑n=1ntan(π2n+1) converge or diverge? My idea was to use the limit comparison test and ∞∑n=1n2n, but then I don't know what to do with the tangent which in the limit is 0.
Answer
Hint: note that
lim
Does the series ∞∑n=1ntan(π2n+1) converge or diverge? My idea was to use the limit comparison test and ∞∑n=1n2n, but then I don't know what to do with the tangent which in the limit is 0.
Answer
Hint: note that
lim
How to find \lim_{h\rightarrow 0}\frac{\sin(ha)}{h} without lhopital rule? I know when I use lhopital I easy get $$ \lim_{h\rightarrow 0}...
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