Question

please check my answer! calc!

Answer 1

pi

Answer 2

integrate

Answer 3

\[\frac{ 1 }{ b-a } \int\limits_{a}^{b} f(x) dx\]

Answer 4

it is definitely not \(\pi\)

Answer 5

you an pretty much do it in your head
what is the anti derivative of cosine?

Answer 6

sin(x)

Answer 7

k what is \(\sin(\frac{\pi}{2})\)?

Answer 8

1(:

Answer 9

k and \(\sin(0)\)?

Answer 10

0?

Answer 11

no not 0? but 0!

Answer 12

then what is \(1-0\)?
ok that was a silly question

Answer 13

hahah 1

Answer 14

and finally, what is \(1\div \frac{\pi}{2}\)?

Answer 15

...

Answer 16

2/pi

Answer 17

Yes :)

Answer 18

nothing like some mental calculus !

Answer 19

so its 2/pi, thanks guys!

Answer 20

Yes

Answer 21

:)