已知函数f(x)=√3sin2x+cos(2x+π/3)+cos(2x-π/3)-1.求函数的周期、值域一个袋子中装有6红球和4白球,从袋子中任意摸出三个,求均为白球的概率球是一个个摸
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![已知函数f(x)=√3sin2x+cos(2x+π/3)+cos(2x-π/3)-1.求函数的周期、值域一个袋子中装有6红球和4白球,从袋子中任意摸出三个,求均为白球的概率球是一个个摸](/uploads/image/z/14323732-52-2.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3D%E2%88%9A3sin2x%2Bcos%282x%2B%CF%80%2F3%29%2Bcos%282x-%CF%80%2F3%29-1.%E6%B1%82%E5%87%BD%E6%95%B0%E7%9A%84%E5%91%A8%E6%9C%9F%E3%80%81%E5%80%BC%E5%9F%9F%E4%B8%80%E4%B8%AA%E8%A2%8B%E5%AD%90%E4%B8%AD%E8%A3%85%E6%9C%896%E7%BA%A2%E7%90%83%E5%92%8C4%E7%99%BD%E7%90%83%2C%E4%BB%8E%E8%A2%8B%E5%AD%90%E4%B8%AD%E4%BB%BB%E6%84%8F%E6%91%B8%E5%87%BA%E4%B8%89%E4%B8%AA%2C%E6%B1%82%E5%9D%87%E4%B8%BA%E7%99%BD%E7%90%83%E7%9A%84%E6%A6%82%E7%8E%87%E7%90%83%E6%98%AF%E4%B8%80%E4%B8%AA%E4%B8%AA%E6%91%B8)
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