![Wolfram alpha is able to integrate an indefinite integral but not a definite integral of the same function? - Stack Overflow Wolfram alpha is able to integrate an indefinite integral but not a definite integral of the same function? - Stack Overflow](https://i.stack.imgur.com/9vVDT.png)
Wolfram alpha is able to integrate an indefinite integral but not a definite integral of the same function? - Stack Overflow
![Why can't Wolfram Alpha calculate $\int_0^{2\pi}\sqrt{(a-\cos\theta)^2+\sin^2\theta}\ d\theta$? - Mathematics Stack Exchange Why can't Wolfram Alpha calculate $\int_0^{2\pi}\sqrt{(a-\cos\theta)^2+\sin^2\theta}\ d\theta$? - Mathematics Stack Exchange](https://i.stack.imgur.com/ws7CG.png)
Why can't Wolfram Alpha calculate $\int_0^{2\pi}\sqrt{(a-\cos\theta)^2+\sin^2\theta}\ d\theta$? - Mathematics Stack Exchange
![Wolfram alpha is able to integrate an indefinite integral but not a definite integral of the same function? - Stack Overflow Wolfram alpha is able to integrate an indefinite integral but not a definite integral of the same function? - Stack Overflow](https://i.stack.imgur.com/DYqZ7.png)