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1/atan(x)

Limit of the function 1/atan(x)

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        1   
 lim -------
x->0+atan(x)
$$\lim_{x \to 0^+} \frac{1}{\operatorname{atan}{\left(x \right)}}$$
Limit(1/atan(x), x, 0)
Lopital's rule
There is no sense to apply Lopital's rule to this function since there is no indeterminateness of 0/0 or oo/oo type
The graph
One‐sided limits [src]
        1   
 lim -------
x->0+atan(x)
$$\lim_{x \to 0^+} \frac{1}{\operatorname{atan}{\left(x \right)}}$$
oo
$$\infty$$
= 151.002207479702
        1   
 lim -------
x->0-atan(x)
$$\lim_{x \to 0^-} \frac{1}{\operatorname{atan}{\left(x \right)}}$$
-oo
$$-\infty$$
= -151.002207479702
= -151.002207479702
Other limits x→0, -oo, +oo, 1
$$\lim_{x \to 0^-} \frac{1}{\operatorname{atan}{\left(x \right)}} = \infty$$
More at x→0 from the left
$$\lim_{x \to 0^+} \frac{1}{\operatorname{atan}{\left(x \right)}} = \infty$$
$$\lim_{x \to \infty} \frac{1}{\operatorname{atan}{\left(x \right)}} = \frac{2}{\pi}$$
More at x→oo
$$\lim_{x \to 1^-} \frac{1}{\operatorname{atan}{\left(x \right)}} = \frac{4}{\pi}$$
More at x→1 from the left
$$\lim_{x \to 1^+} \frac{1}{\operatorname{atan}{\left(x \right)}} = \frac{4}{\pi}$$
More at x→1 from the right
$$\lim_{x \to -\infty} \frac{1}{\operatorname{atan}{\left(x \right)}} = - \frac{2}{\pi}$$
More at x→-oo
Rapid solution [src]
oo
$$\infty$$
Numerical answer [src]
151.002207479702
151.002207479702
The graph
Limit of the function 1/atan(x)