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(1)A=2,图像高点减1
由g(x)知半周期π/2所w=2
f(x)=2sin(2x-π/3)+1
令2x-π/3=π/2 所x=5π/12 即a=5π/12
b等于a加四周期8π/12
(2)y=f(x)+f(x-π/4)=2sin(2x-π/3)+1+2sin(2x-5π/6)+1
=2sin(2x-π/3)-2cos(2x-π/3)+2=2根号二sin(2x-π/3-π/4)+2
=2根号二sin(2x-7π/12)+2求其称轴程令2x-7π/12=π/2+kπ
x=13π/24+(kπ)/4
同理求g(x)称轴x=m+(kπ)/4
m>π所m=13π/24+2π/4=25π/24
由g(x)知半周期π/2所w=2
f(x)=2sin(2x-π/3)+1
令2x-π/3=π/2 所x=5π/12 即a=5π/12
b等于a加四周期8π/12
(2)y=f(x)+f(x-π/4)=2sin(2x-π/3)+1+2sin(2x-5π/6)+1
=2sin(2x-π/3)-2cos(2x-π/3)+2=2根号二sin(2x-π/3-π/4)+2
=2根号二sin(2x-7π/12)+2求其称轴程令2x-7π/12=π/2+kπ
x=13π/24+(kπ)/4
同理求g(x)称轴x=m+(kπ)/4
m>π所m=13π/24+2π/4=25π/24
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