1.f(x)=a*b=2(cosx)^2+√3sin2x=1+cos2x+√3sin2x=1+2sin(2x+π/6),
g(x)=b^2=1+(sin2x)^2=1+(1-cos4x)/2,
f(x)的最小正周期为π,g(x)的最小正周期为π/2.
2.f(c)=3?请检查题目.
1.f(x)=a*b=2(cosx)^2+√3sin2x=1+cos2x+√3sin2x=1+2sin(2x+π/6),
g(x)=b^2=1+(sin2x)^2=1+(1-cos4x)/2,
f(x)的最小正周期为π,g(x)的最小正周期为π/2.
2.f(c)=3?请检查题目.