2π/w=π,w=2,又因为是偶函数,ψ=π/2.所以f(x)=2cos2x,-π+2kπ
已知偶函数f(x)=2sin(wx+ψ)(w>0,0
1个回答
相关问题
-
已知函数f(x)=sin(wx+ ψ )(w>0,x∈R),满足f(x+3)=-f(x),若A=sin(wx+ ψ+9w
-
已知偶函数f(x)=sin(wx+φ)+cos(wx+φ)(w>0,|φ|
-
已知函数f(x)=2sin(wx+ψ-派/6)(0
-
已知函数f(x)sin(wx+b)(w>0,0
-
已知函数f(x)=sin(wx+A)(w>0,0
-
已知函数f(x)=sin(wx+p)(w>0,0
-
已知函数f x=√3sin(wx+φ/2)*cos(wx+φ/2)+sin^2(wx+φ/2)(w>0,0
-
已知函数f(x)=sin(wx+π/6)+sin(wx-π/6)-2cos^2 wx/2 w>0
-
已知函数f(x)=sin(wx+y)(w大于0,0
-
已知函数f(x)=A(sin(wx+φ))^2(A>0,w>0,0