Question

integrate 2cos(pix/2)

this is entirely weird.

Answer 1

@undeadknight26 any idea? :3

Answer 2

I no even learneded this yet o.o

Answer 3

crap okay d'you know anyone here who is familiar with integration? ^^

Answer 4

@zepdrix ?

Answer 5

Let's write it like this:
\[\Large\rm \int 2\cos\left(\frac{\pi}{2}x\right)dx\]What's weird about it? XD
Shouldn't be too bad.

Answer 6

well, i did that and i got

2(2/pi)sin(pi/2)x +c

Answer 7

Mmmm ya looks great! \c:/

Answer 8

oh cool okay thanks