已知函数f(x)=Asin(ωx+φ)(A>0,ω>0,-π/20,-π/2

来源:学生作业帮助网 编辑:作业帮 时间:2024/06/12 17:50:47
已知函数f(x)=Asin(ωx+φ)(A>0,ω>0,-π/20,-π/2
xMN@ǯBHHJG)c:$DVVF[;W%ąz [qE7͌uןe~Y,V2kn,,8K?,1Y_/yz02d T?pƪsC0O8菘fP ȣ0 ubcHw]Xw(1 u]vLѦ5R/"Ţ% ٱ@L IP;mWP۱9ƞ,@Ա%5 UnLnIKjc>_dRlP۬:ertqFUEUsJ֊m9O0<ȒrTXI]oqG'

已知函数f(x)=Asin(ωx+φ)(A>0,ω>0,-π/20,-π/2
已知函数f(x)=Asin(ωx+φ)(A>0,ω>0,-π/20,-π/2

已知函数f(x)=Asin(ωx+φ)(A>0,ω>0,-π/20,-π/2
(1)A=1
T/4=π/12+π/6 得到T=π
w=2
所以f(x)=sin(2x+φ)
f(π/12)=0 故π/6+φ=2kπ+π/2(k是整数)
而-π/2