Wednesday, 14 September 2016

algebra precalculus - How can I find this limit? limxto0left(fracxcsc(2x)3cos(5x)right)



lim




My attempt was just turning csc to 1/sin, how can I solve this


Answer



for x reaching 0 \sin {x} = x



then



\lim_{x\to0}\frac {x}{\sin{x}} = 1



\lim_{x\to0} \cos {x} = 1




So your limit is equal to \frac{1}{6} if I'm not mistakening


No comments:

Post a Comment

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}...