
高中数学,怎么解
2个回答
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ω=6k+3(k∈Z)
解析:
sin(ωx+π/3)=-sin(ωx+π/3-ωπ/3)
sin(ωx+π/3)+sin(ωx+π/3-ωπ/3)=0
//sinx+siny=2sin[(x+y)/2]cos[(x-y)/2]
2sin(ωx+π/3-ωπ/6)cos(ωπ/6)=0
cos(ωπ/6)=0
ωπ/6=kπ+π/2
ω/6=k+1/2
ω=6k+3(k∈Z)
解析:
sin(ωx+π/3)=-sin(ωx+π/3-ωπ/3)
sin(ωx+π/3)+sin(ωx+π/3-ωπ/3)=0
//sinx+siny=2sin[(x+y)/2]cos[(x-y)/2]
2sin(ωx+π/3-ωπ/6)cos(ωπ/6)=0
cos(ωπ/6)=0
ωπ/6=kπ+π/2
ω/6=k+1/2
ω=6k+3(k∈Z)
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