已知函数y=Asin(ωx+φ)(A＞0,ω＞0,0＜φ＜π/2)的最小正周期为π,且当x=2/3π时,f（x）取得最小值为-21 求f（x）的解析式 2 当x∈[π/12,π/2],求f（x）的值域

已知已知函数y=Asin(ωx+φ)(A>0,ω>0,0 已知已知函数y=Asin(ωx+φ)(A>0,ω>0,0 已知函数y=Asin(ωx+φ)(x∈R,A,ω>0,-π/2 已知函数y=Asin(ωx+Φ)+B(A>0,ω>0,lΦl 已知函数y=Asin(ωx+φ)(A>0,ω>0,|φ| 已知函数y=Asin(ωx+φ)(A>0,ω>0,|φ| 已知函数y=Asin(ωx+φ）+B（A>0,ω>0,|φ| 已知函数y=Asin（ωx+φ）（A>0,ω>0,绝对值φ 已知函数y=Asin(ωx+φ)(A>0,ω>0,|φ| 已知函数y=Asin(ωx+φ）+B（A>0,ω>0,|φ| 已知函数y=Asin(ωx+φ)+b(A>0,ω>0 |φ| 已知函数y=Asin(ωx+φ)(A>0,ω>0,|φ| 已知函数y=Asin(ωx+φ)(A>0,ω>0,|φ| 已知函数y=Asin(ωx+φ)(A>0,ω>0,|φ| 已知函数y=Asin(ωx+φ)(A>0,ω>0,|φ| 已知函数y=Asin(ωx+φ)(A>0,ω>0,|φ| 已知函数y=Asin(ωx+φ)+C,(A>0,ω>0,/φ/ 已知：函数y=Asin(ωx ＋φ)＋c (A>0,ω>0,|φ|