设f(x)={(x^2)sin(1/x),x>0 ; ax＋b,x≤0}在x=0处可导,设f(x)={(x^2)sin(1/x),x>0 ; ax＋b,x≤0}在x=0处可导,则a,b的值

设f（x）={x^sin(1/x),x>0 a+e^x,x 设f(sin x/2 )-1+cos x ,求f(x)、f(cos x/2 ). 设F(x)>0,F(0)=1,F‘(x)=f(x),且f(x)F(x)=sin^2(2x)(x>=0),求f(x).是F'（x)=f(x) 设函数 f(x)=sin(2x+y),(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f x=SIN(2X+φ)(-π 设函数f(x)=sin(2x+∮)(-兀 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(0 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+ φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+ φ)(-π 设函数f(x)=sin(2x+φ)(-π 设f(x-1)=x2_2x+3,g(sin x)=cos2 x+sin x-1,设f(x),g(x)的表达式.设f(x-1)=x2-2x+3,g(sin x)=cos2 x+sin x-1,设f(x),g(x)的表达式