设f(x)连续且满足f(x)=-cosx+∫f（t）dt,求f（x）.注：积分上限为x下限为0

设f(x)连续且满足f(x)=-cosx+∫f（t）dt,求f（x）.注：积分上限为x下限为0 设f(x)在[0,1]上有二阶连续导数,且满足f(1)=f(0)及|f''(x)| 设函数f(x)连续,且满足f(x)=e^x+∫(0.x)uf(u)du-x∫(0.x)f(u)du,求f(x) 设f(X)连续且满足 f(x)=e^x+sinx- ∫ x 0 (x-t)f(t)dt,并求该函数f(x)RT 设f(x)连续,且满足f(x)=e^x+∫x上0下（t-x）f（t）dt 求f（x） 设f(x)具有连续导数,且满足f(x)=x+∫(上x下0)tf'(x-t)dt求lim(x->-∞)f(x) 设f(x)在[0,+∞)上连续,且∫(0,x)f(t)dt=x(1+cosx),则f(x)=? 设函数F(X)具有二阶连续导数,且满足F(X)=[微分（上限X下限0）F(1-t)dt]+1,求F(X) 设f(x)连续,且满足f(x)=e^x+∫(0,x)tf(x-t)dt,求f(x) 设当x>0时,函数f(x)连续且满足f(x)=x+∫(1,x)1/xf(t)dt,求f(x) 设f(x)满足f(-sinx)+3f(sinx)=4sinx乘以cosx,(绝对值x 设函数f(x)满足条件f(x+y)=f(x)+f(y),且f(x)在x=0处连续,证明f(x)在所有的点x0处连续 设函数f(x)在x=0点连续 且满足limx->0(sinx/x^2+f(x)/x)=2求f'(0) 设F(X)在[0,1连续,且满足f(X)=4X^3-3X^2∫f(x)dx正在考试,求速度 设函数f(x)在R上连续,且满足f[f(x)]=x,证明：在R上至少存在一点m,使得f(m)=m 设设f(x)连续,且∫f(t)dt=x,求f(2) 设f(x)连续,且满足f(x)=∫上2x下0tf(t/2)dt+1,则f(x)=? 设奇函数f(x)满足f(x+4)=f(x),且当0≤x