anonymous
  • anonymous
why is this true?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
which one?
anonymous
  • anonymous
limit of tanx/x = 1
anonymous
  • anonymous
when x approaches 0

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anonymous
  • anonymous
apply the expansion of tan x
anonymous
  • anonymous
what is the expansion? can u explain?
anonymous
  • anonymous
u will find it here: http://en.wikipedia.org/wiki/Taylor_series
anonymous
  • anonymous
How to do it without expansions? I havent learned that yet.
anonymous
  • anonymous
\[\lim_{x \rightarrow 0}(tanx/x)= \lim_{x \rightarrow 0}(sinx/x)/cosx\]
anonymous
  • anonymous
we know, lim x tends to 0, sinx/x =1 and cosx=1 so, combining, we can get 1/1=1
anonymous
  • anonymous
Im not really sure how you got from limx→0(tanx/x)=limx→0(sinx/x)/cosx
anonymous
  • anonymous
because tan x= sin x/cos x
anonymous
  • anonymous
whats the problem here ?!
anonymous
  • anonymous
why is |dw:1333430183693:dw|
anonymous
  • anonymous
|dw:1333430271930:dw|
anonymous
  • anonymous
i dont get how
anonymous
  • anonymous
|dw:1333430389762:dw|
anonymous
  • anonymous
got it?
anonymous
  • anonymous
YES THANK You:D
anonymous
  • anonymous
thank you for the patience brother:D
anonymous
  • anonymous
anytime :D

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