已知函数f(x)=sin(wx+y)(w大于0,0
问题描述:
已知函数f(x)=sin(wx+y)(w大于0,0
答
因为T=2π/|w|所以w=2
又因为sin(3π/2+2Kπ)=-1
所以π+y=3π/2+2kπ
所以y=π/2+2kπ
因为,0