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- Improper integral
- Double Integral
- Triple Integral
- Curvilinear integral
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How to use it?
- Integral of d{x}:
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Integral of x^2*e^(-x)
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Integral of e^u
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Integral of dx/x^3
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Integral of -sinx
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Identical expressions
- sqrt(one +(ctgx)^(two))
- square root of (1 plus (ctgx) to the power of (2))
- square root of (one plus (ctgx) to the power of (two))
- √(1+(ctgx)^(2))
- sqrt(1+(ctgx)(2))
- sqrt1+ctgx2
- sqrt1+ctgx^2
- sqrt(1+(ctgx)^(2))dx
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Similar expressions
- sqrt(1-(ctgx)^(2))
Integral of sqrt(1+(ctgx)^(2)) dx
The solution
You have entered
[src]
3*pi ---- 4 / | | _____________ | / 2 | \/ 1 + cot (x) dx | / pi -- 2
$$\int\limits_{\frac{\pi}{2}}^{\frac{3 \pi}{4}} \sqrt{\cot^{2}{\left(x \right)} + 1}\, dx$$
Integral(sqrt(1 + cot(x)^2), (x, pi/2, 3*pi/4))
The answer
[src]
3*pi ---- 4 / | | _____________ | / 2 | \/ 1 + cot (x) dx | / pi -- 2
$$\int\limits_{\frac{\pi}{2}}^{\frac{3 \pi}{4}} \sqrt{\cot^{2}{\left(x \right)} + 1}\, dx$$
=
=
3*pi ---- 4 / | | _____________ | / 2 | \/ 1 + cot (x) dx | / pi -- 2
$$\int\limits_{\frac{\pi}{2}}^{\frac{3 \pi}{4}} \sqrt{\cot^{2}{\left(x \right)} + 1}\, dx$$
Integral(sqrt(1 + cot(x)^2), (x, pi/2, 3*pi/4))
Use the examples entering the upper and lower limits of integration.