13．（2023春•安徽期中）已知函数f(x)=sin(ωx+φ)(ωf(x)=\sin (\omega x+\varphi )(\omegaf(x)=sin(ωx+φ)(ω为正整数，0<φ<π)0<\varphi <\pi )0<φ<π)在区间(π4,π)({\frac{\pi }{4},\pi })(4π,π)上单调，且f(π)=f(3π2)f(\pi )=f({\frac{3\pi }{2}})f(π)=f(23π)，则φ=(\varphi =(φ=( )))