Mister Exam
Other calculators:
-
How to use it?
- Limit of the function:
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Limit of (1+3*x)^(5/x)
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Limit of x^2/(-2+sqrt(4+x^2))
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Limit of ((5+x^2-6*x)/(5+x^2-5*x))^(2+3*x)
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Limit of (2+x^2+3*x)/(-4+x^2)
- Graphing y =:
- 2*cos(x)
- Derivative of:
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2*cos(x)
- Integral of d{x}:
- 2*cos(x)
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Identical expressions
- two *cos(x)
- 2 multiply by co sinus of e of (x)
- two multiply by co sinus of e of (x)
- 2cos(x)
- 2cosx
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Similar expressions
- 2*cosx
Limit of the function 2*cos(x)
The solution
You have entered
[src]
lim (2*cos(x)) x->0+
$$\lim_{x \to 0^+}\left(2 \cos{\left(x \right)}\right)$$
Limit(2*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
Other limits x→0, -oo, +oo, 1
$$\lim_{x \to 0^-}\left(2 \cos{\left(x \right)}\right) = 2$$
More at x→0 from the left
$$\lim_{x \to 0^+}\left(2 \cos{\left(x \right)}\right) = 2$$
$$\lim_{x \to \infty}\left(2 \cos{\left(x \right)}\right) = \left\langle -2, 2\right\rangle$$
More at x→oo
$$\lim_{x \to 1^-}\left(2 \cos{\left(x \right)}\right) = 2 \cos{\left(1 \right)}$$
More at x→1 from the left
$$\lim_{x \to 1^+}\left(2 \cos{\left(x \right)}\right) = 2 \cos{\left(1 \right)}$$
More at x→1 from the right
$$\lim_{x \to -\infty}\left(2 \cos{\left(x \right)}\right) = \left\langle -2, 2\right\rangle$$
More at x→-oo
More at x→0 from the left
$$\lim_{x \to 0^+}\left(2 \cos{\left(x \right)}\right) = 2$$
$$\lim_{x \to \infty}\left(2 \cos{\left(x \right)}\right) = \left\langle -2, 2\right\rangle$$
More at x→oo
$$\lim_{x \to 1^-}\left(2 \cos{\left(x \right)}\right) = 2 \cos{\left(1 \right)}$$
More at x→1 from the left
$$\lim_{x \to 1^+}\left(2 \cos{\left(x \right)}\right) = 2 \cos{\left(1 \right)}$$
More at x→1 from the right
$$\lim_{x \to -\infty}\left(2 \cos{\left(x \right)}\right) = \left\langle -2, 2\right\rangle$$
More at x→-oo
One‐sided limits
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lim (2*cos(x)) x->0+
$$\lim_{x \to 0^+}\left(2 \cos{\left(x \right)}\right)$$
2
$$2$$
= 2.0
lim (2*cos(x)) x->0-
$$\lim_{x \to 0^-}\left(2 \cos{\left(x \right)}\right)$$
2
$$2$$
= 2.0
= 2.0
The graph