If a function f(x)f(x)f(x) satisfies ∫0xf(t)dt=xsin(x)\int_{0}^{x} f(t) dt = x \sin(x)∫0xf(t)dt=xsin(x), what is the specific value of f(π/2)f(\pi/2)f(π/2)?
000
111
π/2\pi/2π/2
−1-1−1