函数在(pi/6,pi/3)上有最小值
说明当x=(π/6+π/3)/2=π/4时,函数f(x)取最小值-1
f(π/4)=sin(wπ/4+π/3)=-1
wπ/4+π/3=2kπ-π/2
w=8k-(10/3)
在区间(π/6,π/3)内有最小值而没有最大值
说明π/3-π/6=π/6
2π/w>=π/6
w
函数在(pi/6,pi/3)上有最小值
说明当x=(π/6+π/3)/2=π/4时,函数f(x)取最小值-1
f(π/4)=sin(wπ/4+π/3)=-1
wπ/4+π/3=2kπ-π/2
w=8k-(10/3)
在区间(π/6,π/3)内有最小值而没有最大值
说明π/3-π/6=π/6
2π/w>=π/6
w