y=sin(2x+Pi/3)+cos(Pi/6-2x)周期为
问题描述:
y=sin(2x+Pi/3)+cos(Pi/6-2x)周期为
答
cos(π/6-2x)
=sin[π/2-(π/6-2x)]
=sin(2x+π/3)
所以y=2sin(2x+π/3)
所以T=2π/2=π