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Integral of sqrt(1+tgx^2) dx

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The solution

You have entered [src]
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$$\int\limits_{0}^{1} \sqrt{\tan^{2}{\left(x \right)} + 1}\, dx$$
Integral(sqrt(1 + tan(x)^2), (x, 0, 1))
The answer [src]
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$$\int\limits_{0}^{1} \sqrt{\tan^{2}{\left(x \right)} + 1}\, dx$$
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$$\int\limits_{0}^{1} \sqrt{\tan^{2}{\left(x \right)} + 1}\, dx$$
Integral(sqrt(1 + tan(x)^2), (x, 0, 1))
Numerical answer [src]
1.22619117088352
1.22619117088352

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