query: How to find the $\pi$?
positive_passages.docid: 29759
positive_passages.text: Calculating pi manually
negative_passages.docid: 111094
negative_passages.text: Help with proving that $\pi$ is irrational
negative_passages.docid: 151127
negative_passages.text: Confirm that $\int_{0}^{\infty}t^{-1}\sin t dt=\pi/2$
negative_passages.docid: 154900
negative_passages.text: Why is $\pi$ = 3.14... instead of 6.28...?
negative_passages.docid: 48086
negative_passages.text: Why is this series of square root of twos equal $\pi$?
negative_passages.docid: 96328
negative_passages.text: Proving $e^{i\pi} = -1$ without proving $e^{ix} = \cos x + i\sin x$
negative_passages.docid: 124209
negative_passages.text: How is $\ln(-1) = i\pi$?
negative_passages.docid: 70974
negative_passages.text: How can zero divided by $i$ be $2\pi$?
negative_passages.docid: 47845
negative_passages.text: Mirror algorithm for computing $\pi$ and $e$ - does it hint on some connection between them?
negative_passages.docid: 123892
negative_passages.text: What is $\int_{-\pi}^\pi \cos(nx)\cos(mx)\,dx$?
negative_passages.docid: 143054
negative_passages.text: Can you raise $\pi$ to a real power to make it rational?
negative_passages.docid: 34017
negative_passages.text: Show that $n^{\pi\left(2n\right)-\pi\left(n\right)}2$
negative_passages.docid: 118800
negative_passages.text: Calculating $\int_0^\pi \log(1-2a\cos (x)+a^2)\,dx$
negative_passages.docid: 44398
negative_passages.text: How to compute $\int_0^{\pi/2}\frac{\sin^3 t}{\sin^3 t+\cos^3 t}dt$?
negative_passages.docid: 157066
negative_passages.text: Do We Need the Digits of $\pi$?
negative_passages.docid: 55128
negative_passages.text: Evaluation of $\sin \frac{\pi}{7}\cdot \sin \frac{2\pi}{7}\cdot \sin \frac{3\pi}{7}$
negative_passages.docid: 119815
negative_passages.text: Why is $\tan((1/2)\pi)$ undefined?