首先y=sin(x+(5/6)π)的图像按向量a=(m,0)(m 〉0)平移,得到y=sin(x-m+(5/6)π),又平移后所得图像关于y轴对称,即有sin(x-m+(5/6)π)=sin(-x-m+(5/6)π)即sin(x-m-(1/6)π)=sin(-x-m-(1/6)π)=-sin(x+m+(1/6)π) 则x-m...