f(x)=2sinx(sinx+cosx)-1=2sinx*sinx+2sinxcosx-1=(1-cos2x)+sin2x-1=sin2x-cos2x=√2(sin2xcosπ/4-cos2xsinπ/4)=√2sin(2x-π/4)(1).函数f(x)的最小正周期T=2π/2=π(2).该图像可由y=sinx(x∈R)的图像先向右平移...