Can someone give an analytical proof that $\pi$ is greater than 3?
43659
Why is $\pi$ so close to $3$?
75378
how to prove this extended prime number theorem?
136894
Reference request: Clean proof of Fermat's last theorem for $n=3$.
121362
If $A,B>0$ and $A+B = \frac{\pi}{3},$ Then find Maximum value of $\tan A\cdot \tan B$.
104548
Geometric proof for irrationality of $\pi$
46353
Proof that $\cos(\pi/3)=1/2$
70974
How can zero divided by $i$ be $2\pi$?
109175
Why is it hard to prove whether $\pi+e$ is an irrational number?
13592
How can $\pi$ be irrational if it can be calculated using an infinite series of rational numbers?
158627
$e^{\left(\pi^{(e^\pi)}\right)}\;$ or $\;\pi^{\left(e^{(\pi^e)}\right)}$. Which one is greater than the other?
18546
Geometric intuition for $\pi /4 = 1 - 1/3 + 1/5 - \cdots$?
36366
Prove $\int_0^\infty \frac{\sin^4x}{x^4}dx = \frac{\pi}{3}$
14447
Direct proof that $\pi$ is not constructible
23705
Does $\pi$ contain all possible number combinations?
34017
Show that $n^{\pi\left(2n\right)-\pi\left(n\right)}2$
82913
Is this a proof of Fermat's Last Theorem where n = 3?
139411
Finding $\pi$ factorial