设f(x)=(2+|x|)sin(x)在x=0处
设函数f(x)=sin(2x+φ)(0
设函数f(x)=sin(2x+a)(0
设f(x)=sin兀x(x=0),g(x)=cos兀x(x=1/2)
设函数f(x)=,{(1/x)*sinπx,x不等于0,a,x=0,在x=0处连续,求a值.
设函数f(x)=sin(2x+φ)(-π
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f(x)=sin^2 x+asin^2 (x/2),求f(x)最大值
设函数F(X)=SIN(X+π/6)+2SIN^2x/2,X属于[0,π]
f(x)为奇函数,x>0,f(x)=sin 2x+cos x,则x
设函数f(x)=x^a*sin(1/x)(x>0)试求a的值使f(x)在x=0处了连续 ,且当x=0时,f(x)=0