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Integral of 8sqrt(2-2cosx) dx

Limits of integration:

from to
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The graph:

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Piecewise:

The solution

You have entered [src]
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  |   8*\/ 2 - 2*cos(x)  dx
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-2*pi                      
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  3                        
$$\int\limits_{- \frac{2 \pi}{3}}^{0} 8 \sqrt{2 - 2 \cos{\left(x \right)}}\, dx$$
Integral(8*sqrt(2 - 2*cos(x)), (x, -2*pi/3, 0))
The answer (Indefinite) [src]
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 | 8*\/ 2 - 2*cos(x)  dx = C + 8*\/ 2 * | \/ 1 - cos(x)  dx
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$$\int 8 \sqrt{2 - 2 \cos{\left(x \right)}}\, dx = C + 8 \sqrt{2} \int \sqrt{1 - \cos{\left(x \right)}}\, dx$$
Numerical answer [src]
16.0
16.0

    Use the examples entering the upper and lower limits of integration.