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Integral of sqrt(1+2*cos(x)) 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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$$\int\limits_{0}^{1} \sqrt{2 \cos{\left(x \right)} + 1}\, dx$$
Integral(sqrt(1 + 2*cos(x)), (x, 0, 1))
The answer [src]
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$$\int\limits_{0}^{1} \sqrt{2 \cos{\left(x \right)} + 1}\, dx$$
=
=
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$$\int\limits_{0}^{1} \sqrt{2 \cos{\left(x \right)} + 1}\, dx$$
Integral(sqrt(1 + 2*cos(x)), (x, 0, 1))
Numerical answer [src]
1.63569580549217
1.63569580549217

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