已知函数f(x)=sin(wx+π/6)+sin(wx-π/6)+2cos^2(wx/2),w使f(x)能在π/3处取得最大值的最小正整数,求w设△ABC的三边a,b,c满足b^2=ac,且边b所对的角O的取值集合为P,当x∈P是 求f(x)值域老大们帮帮忙a 同学急用
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![已知函数f(x)=sin(wx+π/6)+sin(wx-π/6)+2cos^2(wx/2),w使f(x)能在π/3处取得最大值的最小正整数,求w设△ABC的三边a,b,c满足b^2=ac,且边b所对的角O的取值集合为P,当x∈P是 求f(x)值域老大们帮帮忙a 同学急用](/uploads/image/z/10153205-53-5.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Dsin%28wx%2B%CF%80%2F6%29%2Bsin%28wx-%CF%80%2F6%29%2B2cos%5E2%28wx%2F2%29%2Cw%E4%BD%BFf%28x%29%E8%83%BD%E5%9C%A8%CF%80%2F3%E5%A4%84%E5%8F%96%E5%BE%97%E6%9C%80%E5%A4%A7%E5%80%BC%E7%9A%84%E6%9C%80%E5%B0%8F%E6%AD%A3%E6%95%B4%E6%95%B0%2C%E6%B1%82w%E8%AE%BE%E2%96%B3ABC%E7%9A%84%E4%B8%89%E8%BE%B9a%2Cb%2Cc%E6%BB%A1%E8%B6%B3b%5E2%3Dac%2C%E4%B8%94%E8%BE%B9b%E6%89%80%E5%AF%B9%E7%9A%84%E8%A7%92O%E7%9A%84%E5%8F%96%E5%80%BC%E9%9B%86%E5%90%88%E4%B8%BAP%2C%E5%BD%93x%E2%88%88P%E6%98%AF+%E6%B1%82f%28x%29%E5%80%BC%E5%9F%9F%E8%80%81%E5%A4%A7%E4%BB%AC%E5%B8%AE%E5%B8%AE%E5%BF%99a+%E5%90%8C%E5%AD%A6%E6%80%A5%E7%94%A8)
已知函数f(x)=sin(wx+π/6)+sin(wx-π/6)+2cos^2(wx/2),w使f(x)能在π/3处取得最大值的最小正整数,求w设△ABC的三边a,b,c满足b^2=ac,且边b所对的角O的取值集合为P,当x∈P是 求f(x)值域老大们帮帮忙a 同学急用
已知函数f(x)=sin(wx+π/6)+sin(wx-π/6)+2cos^2(wx/2),w使f(x)能在π/3处取得最大值的最小正整数,求w
设△ABC的三边a,b,c满足b^2=ac,且边b所对的角O的取值集合为P,当x∈P是 求f(x)值域
老大们帮帮忙a 同学急用
已知函数f(x)=sin(wx+π/6)+sin(wx-π/6)+2cos^2(wx/2),w使f(x)能在π/3处取得最大值的最小正整数,求w设△ABC的三边a,b,c满足b^2=ac,且边b所对的角O的取值集合为P,当x∈P是 求f(x)值域老大们帮帮忙a 同学急用
f(x)=sin(wx+π/6)+sin(wx-π/6)+2cos^2(wx/2)
=2sincosπ/6+2cos^2(wx/2)
=gen3sin(wx)+cos(wx)+1
=2sin(wx+π/6)+1
πw/3+π/6=π/2
w=1
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