函数f(x)=3sin(wx-π/6)(w>0)和g(x)=2cos(2x+φ)(0x=kπ-(π+φ)/2
2x+φ=2kπ==>x=kπ-φ/2
∵同相,∴(π+φ)/2=π/6==>φ=-2π/3==> g(x)=2cos(2x-2π/3)
∵反相,∴-(π+φ)/2=π/3==>φ=-5π/3==> g(x)=2cos(2x-5π/3)=2cos(2x+π/3)
∵0
函数f(x)=3sin(wx-π/6)(w>0)和g(x)=2cos(2x+φ)(0x=kπ-(π+φ)/2
2x+φ=2kπ==>x=kπ-φ/2
∵同相,∴(π+φ)/2=π/6==>φ=-2π/3==> g(x)=2cos(2x-2π/3)
∵反相,∴-(π+φ)/2=π/3==>φ=-5π/3==> g(x)=2cos(2x-5π/3)=2cos(2x+π/3)
∵0