y=cos2x+sinxcosx的最小正周期是
问题描述:
y=cos2x+sinxcosx的最小正周期是
答
=cos2x+(1/2)sin2x
T=2π/2=π
y=cos2x+sinxcosx的最小正周期是
=cos2x+(1/2)sin2x
T=2π/2=π