求下列函数的周期:(1)y=sin^2+2sinxcosx.(2)y=sin^4x+cos^4x.
问题描述:
求下列函数的周期:(1)y=sin^2+2sinxcosx.(2)y=sin^4x+cos^4x.
答
(1)π(2)π/2
求下列函数的周期:(1)y=sin^2+2sinxcosx.(2)y=sin^4x+cos^4x.
(1)π(2)π/2