If ∫0xf(t)dt=x2sin(x)\int_0^x f(t) dt = x^2\sin(x)∫0xf(t)dt=x2sin(x), what is f(π2)f(\frac{\pi}{2})f(2π)?
000
π\piπ
111
π24\frac{\pi^2}{4}4π2