f(x)=根号3cos^2wx+sinwxcoswx+a(w大于0,a属于R)图像两相邻对称轴间距离为pai/2(1)求w的值(2)f(x)的单调区间(3)f(x)在【0,pai/2】上的最小值为1,求a的值
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![f(x)=根号3cos^2wx+sinwxcoswx+a(w大于0,a属于R)图像两相邻对称轴间距离为pai/2(1)求w的值(2)f(x)的单调区间(3)f(x)在【0,pai/2】上的最小值为1,求a的值](/uploads/image/z/2588407-7-7.jpg?t=f%28x%29%3D%E6%A0%B9%E5%8F%B73cos%5E2wx%2Bsinwxcoswx%2Ba%28w%E5%A4%A7%E4%BA%8E0%2Ca%E5%B1%9E%E4%BA%8ER%29%E5%9B%BE%E5%83%8F%E4%B8%A4%E7%9B%B8%E9%82%BB%E5%AF%B9%E7%A7%B0%E8%BD%B4%E9%97%B4%E8%B7%9D%E7%A6%BB%E4%B8%BApai%2F2%281%29%E6%B1%82w%E7%9A%84%E5%80%BC%282%29f%28x%29%E7%9A%84%E5%8D%95%E8%B0%83%E5%8C%BA%E9%97%B4%283%29f%28x%29%E5%9C%A8%E3%80%900%2Cpai%2F2%E3%80%91%E4%B8%8A%E7%9A%84%E6%9C%80%E5%B0%8F%E5%80%BC%E4%B8%BA1%2C%E6%B1%82a%E7%9A%84%E5%80%BC)
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f(x)=根号3cos^2wx+sinwxcoswx+a(w大于0,a属于R)图像两相邻对称轴间距离为pai/2(1)求w的值(2)f(x)的单调区间(3)f(x)在【0,pai/2】上的最小值为1,求a的值
f(x)=根号3cos^2wx+sinwxcoswx+a(w大于0,a属于R)图像两相邻对称轴间距离为pai/2
(1)求w的值
(2)f(x)的单调区间
(3)f(x)在【0,pai/2】上的最小值为1,求a的值
f(x)=根号3cos^2wx+sinwxcoswx+a(w大于0,a属于R)图像两相邻对称轴间距离为pai/2(1)求w的值(2)f(x)的单调区间(3)f(x)在【0,pai/2】上的最小值为1,求a的值
1.f(x)=根号3cos^2wx+sinwxcoswx+a
=√3/2(cos2wx+1)+1/2sin2wx+a
=√3/2cos2wx+1/2sin2wx+√3/2+a
=sin(2wx+π/3)+√3/2+a
两相邻对称轴间距离为pai/2
T/2=π/2 T=π=2π/2w w=1
2.f(x)=sin(2x+π/3)+√3/2+a
2kπ-π/2
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