下列函数图像五点法的点.也需要对应的Y值
问题描述：
下列函数图像五点法的点.也需要对应的Y值
y=sin(x-π/6)
答
T=2π,Φ=-π/6
他是把y=sinx向右移π/6
所以
x=-π+π/6=-5π/6,y=sin(-π)=0
x=-π/2+π/6=-π/3,y=sin(-π/2)=-1
x=0+π/6=π/6,y=sin(0)=0
x=π/2+π/6=2π/3,y=sin(π/2)=1
x=π+π/6=7π/6,y=sin(π)=0