已知f(x)=2sin(x+θ/2)cos(x+θ/2)+2√3cos²(x+θ/2)-√3,且0≤θ≤π,求使函数f(x)为偶已知f(x)=2sin(x+θ/2)cos(x+θ/2)+2√3cos²(x+θ/2)-√3,且0≤θ≤π,求使函数f(x)为偶函数
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![已知f(x)=2sin(x+θ/2)cos(x+θ/2)+2√3cos²(x+θ/2)-√3,且0≤θ≤π,求使函数f(x)为偶已知f(x)=2sin(x+θ/2)cos(x+θ/2)+2√3cos²(x+θ/2)-√3,且0≤θ≤π,求使函数f(x)为偶函数](/uploads/image/z/7203713-41-3.jpg?t=%E5%B7%B2%E7%9F%A5f%EF%BC%88x%EF%BC%89%3D2sin%EF%BC%88x%2B%CE%B8%2F2%EF%BC%89cos%EF%BC%88x%2B%CE%B8%2F2%EF%BC%89%2B2%E2%88%9A3cos%26sup2%3B%EF%BC%88x%2B%CE%B8%2F2%EF%BC%89-%E2%88%9A3%2C%E4%B8%940%E2%89%A4%CE%B8%E2%89%A4%CF%80%2C%E6%B1%82%E4%BD%BF%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89%E4%B8%BA%E5%81%B6%E5%B7%B2%E7%9F%A5f%EF%BC%88x%EF%BC%89%3D2sin%EF%BC%88x%2B%CE%B8%2F2%EF%BC%89cos%EF%BC%88x%2B%CE%B8%2F2%EF%BC%89%2B2%E2%88%9A3cos%26sup2%3B%EF%BC%88x%2B%CE%B8%2F2%EF%BC%89-%E2%88%9A3%EF%BC%8C%E4%B8%940%E2%89%A4%CE%B8%E2%89%A4%CF%80%EF%BC%8C%E6%B1%82%E4%BD%BF%E5%87%BD%E6%95%B0f%EF%BC%88x%EF%BC%89%E4%B8%BA%E5%81%B6%E5%87%BD%E6%95%B0)
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