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3*cos(x)
Limit of the function/ 3*cos(x)

Limit of the function 3*cos(x)

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You have entered [src] 
 lim (3*cos(x))
x->0+
$$\lim_{x \to 0^+}\left(3 \cos{\left(x \right)}\right)$$ 
Limit(3*cos(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
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Rapid solution [src] 
3
$$3$$
Expand and simplify
One‐sided limits [src] 
 lim (3*cos(x))
x->0+
$$\lim_{x \to 0^+}\left(3 \cos{\left(x \right)}\right)$$ 
3
$$3$$ 
= 3.0
 lim (3*cos(x))
x->0-
$$\lim_{x \to 0^-}\left(3 \cos{\left(x \right)}\right)$$ 
3
$$3$$ 
= 3.0
= 3.0
Other limits x→0, -oo, +oo, 1
$$\lim_{x \to 0^-}\left(3 \cos{\left(x \right)}\right) = 3$$
More at x→0 from the left
$$\lim_{x \to 0^+}\left(3 \cos{\left(x \right)}\right) = 3$$
$$\lim_{x \to \infty}\left(3 \cos{\left(x \right)}\right) = \left\langle -3, 3\right\rangle$$
More at x→oo
$$\lim_{x \to 1^-}\left(3 \cos{\left(x \right)}\right) = 3 \cos{\left(1 \right)}$$
More at x→1 from the left
$$\lim_{x \to 1^+}\left(3 \cos{\left(x \right)}\right) = 3 \cos{\left(1 \right)}$$
More at x→1 from the right
$$\lim_{x \to -\infty}\left(3 \cos{\left(x \right)}\right) = \left\langle -3, 3\right\rangle$$
More at x→-oo
Numerical answer [src] 
3.0
3.0
The graph
Limit of the function 3*cos(x)
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