f(x)=(根号2)sin(2x-π/4)+1,若f(a)=8/5,求cos2(π/4-2a)的值

f(x)=根号2sin(2x+π/4)+2-根号2对称轴方程 f(x)=2sin^2(π/4+x)+根号3(sin^2x+cos^2x)f(x)=2sin^2(π/4+x)+根号3(sin^2x-cos^2x) 符号打错了 已知函数f(x)=2根号3sin平方x-sin（2x-π/3) 求f(x)=2sin(x+π/4)sin(x-π/4)+sin2X的最大值.（答案是根号2, 函数f(x)=sin(2x-π/4)-2根号2*sin^2(x)的最小正周期是多少 函数f(x)=sin(2x-π/4)-2根号2sin^2x的最小正周期 函数f(X)=sin(2x-π/4)-2根号2sin^2x的最小值 f(x)=sin(2x-π/4)-2根号2sin^2x的最小正周期为 函数f(x)=负根号3sin ^2x+sin x cos x f(a/2)=1/4-根号3/2求sin a值 已知F(X)=根号3COS^2 X+SIN XCOS X-2SIN X*SIN(X-π/6),求F(X)的最大值 f(x)=2sin(x/4)cos(x/4)-2根号3*sin²(x/4)+根号3 求1.当x∈[0,π],求f(x)值域2.f(x)单调递增区间 f(x)=2sinπ/4cosπ/4- 2根号3sin^2π/4+根号3 f(x)=2sinπ/4cosπ/4-2根号3sin^2π/4+根号3 已知函数f(x)=根号(sin(x/2)^4+4cos(x/2)^2)-根号(cos(x/2)^4+4sin(x/2)^2)(1)化简f(x),并求f(25π/6)(2)若0 求函数f(x)=2sin(π-x)sin(π/2-x)+2根号3sin^2x-根号3的单调递减区间 已知关于x的函数f(x)=根号2sin(2x+φ) (-π 已知关于x的函数f(x)=根号2sin(2x+φ) (-π 已知关于x的函数f(x)=根号2sin(2x+φ) (-π