Asked by Mike
Find the limit
lim tan^2(7x)/9x
x-> 0
lim tan^2(7x)/9x
x-> 0
Answers
Answered by
Steve
recall that tanx/x = sinx/x = 1
as x -> 0
so, this limit is
7/9 * tan(7x)/(7x) * tan(7x)
-> 7/9 * 1 * 0 = 0
as x -> 0
so, this limit is
7/9 * tan(7x)/(7x) * tan(7x)
-> 7/9 * 1 * 0 = 0
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