Friday, 4 July 2014

calculus - Another limit to evaluate: limlimitsxtoinftyfracxsinxxtanx

How do you evaluate? lim



The fact that x tends toinfty bothers me very much. I tried to "force a L'Hospital", because we know that the limit of a product between a function that tends to 0 and one that is bounded equals 0. So, how would you manage this limit?

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real analysis - How to find lim_{hrightarrow 0}frac{sin(ha)}{h}

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}...