已知f(x)=2sin^(π/4+x)-√3cos2x,x∈[π/4,π/2]
(1)求f(x)的最大值和最小值
(2)若不等式f(x) >m-3/m时x∈[π/4,π/2]都成立,求m的取值范围
要详解
已知f(x)=2sin^(π/4+x)-√3cos2x,x∈[π/4,π/2]
(1)求f(x)的最大值和最小值
(2)若不等式f(x) >m-3/m时x∈[π/4,π/2]都成立,求m的取值范围
要详解
f(x)=2sin^(π/4+x)-√3cos2x=1+2sin(2x-π/3)