## BEAUTIFUL PI IN NEW MOOD

For students of class 9-10 (age 14-16)
farhan
Posts: 4
Joined: Thu Apr 05, 2012 12:06 pm

### BEAUTIFUL PI IN NEW MOOD

I KNOW ALL OF U CAN PROVE-------
$\pi = {360\times sin\frac{\theta }{2}}$
here theta is infinitely small a radian angle.
Last edited by *Mahi* on Thu May 31, 2012 10:42 am, edited 2 times in total.
Reason: LaTeXed properly

tanvirab
Posts: 446
Joined: Tue Dec 07, 2010 2:08 am

### Re: BEAUTIFUL PI IN NEW MOOD

fix your code. I tried to fix it for you, but I don't understand what you are tying to say.

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### Re: BEAUTIFUL PI IN NEW MOOD

farhan wrote:I KNOW ALL OF U CAN PROVE-------$\pi = 360\times sin\frac {\theta }{2}$
here theta is infinitely small a radian angle.
I guess he said this.Then my answer is we can prove $\pi=\lim_{n\to \infty}n\times sin\left ( \frac {180}{n}\right )$

tanvirab
Posts: 446
Joined: Tue Dec 07, 2010 2:08 am
$\pi = {360\times sin\frac{\theta }{2}}$