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Limit x Tends to 0 (tan x-sin x)/(1-cos x)
$\lim_{x\rightarrow 0}\frac{\tan x – sinx}{1 – cosx}$
= $\lim_{x\rightarrow 0}\frac{\sin x\left(\frac{1}{\cos x} – 1\right)}{1 – cosx}$
=$ \lim_{x\rightarrow 0}\frac{\sin x\left(\frac{1 – cosx}{\cos x}\right)}{1 – cosx}$
= $\lim_{x\rightarrow 0}\frac{\sin x(1 – cos x)}{\cos x(1 – cos x)}$
= $\lim_{x\rightarrow 0}tanx$
= 0
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