y=(sinx-a)²+1
开口向上,对称轴sinx=a
sinx=a有最小值
-1
函数y=sin^2-2asinx+1+a^2在x=2kπ+π/2(k属于z)时取得最大值,在sinx=a时取得最小值,求实数a的取值范围
函数y=sin^2-2asinx+1+a^2在x=2kπ+π/2(k属于z)时取得最大值,在sinx=a时取得最小值,求实数a的取值范围
数学人气：314 ℃时间：2019-08-21 14:44:23
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