Monday 17 April 2017

algebra precalculus - How to I simplify this to a single fraction?


I don't know how to fully simplify this and get rid of the seven at the end. If anyone could help I would greatly appreciate it.

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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}...