Jason,
Recalling that cot(5x) =1/(tan(5x) the above can be written as 8tan(5x)/x, Now you can approximate tan 5x as 5x for small x so the limit as x→0 is 8*5=40
Hope this helps
Jim
Jason R.
asked • 02/09/15find the limit
lim (8)/(xcot5x)=?
x→0
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