f(x)=(1/2)[1-cos(2x-π/3)]+(1/2)[1-cos(2x+π/3)]=1-[cos(2x-π/3)+cos(2x+π/3)]=1-2cos2xcos(π/3)=1-cos2x(1)周期为T=2π/2=π;(2)f(x)在[-π/3,0]上是减函数,在[0,π/6]上是增函数,最大值为f(-π/3)=3/2,最小值为f(0)=0
1.求函数f(x)=sin(-x+π/3)在[π/6,/2π]上的值域
1个回答
相关问题
-
求函数f(x)=2sin(2x-π/3)的值域(6/π
-
已知函数f(x)=sin(2x-π /6),求函数f(x)在区间[-π /12,π/2 ]上的值域.
-
求函数f(x)=sin(2x+π/3)+2cos^2(2x+π/3),x∈(-π/3,π/6]的值域
-
求函数的值域y=sin(2x+π/3),x∈(-π/6,π)
-
已知函数f(x)=根号2sin(2x+6π).x∈[π/12,π/3].求f(x)的值域.
-
函数f(x)=3sin(2x-[π/6])在区间[0,[π/2]]上的值域为______.
-
已知函数f (x)=2sin(x+π/6)-2cosx,x∈【π/2,π】,求:函数f(x)的值域
-
求函数y=2sin(2x+3/π)(-π/6<π/6)的值域
-
设函数f(x)sin(x+π/3)+2sin(x+π/3)-根号3cos(2π/3-x) (1)求f(π/6),f(π/
-
求函数y=2sin(2x+π/3),x属于(-π/6,π/6)的值域