希望有人愿意帮忙)函数f(x)=sin2x+2根号(2)cos()函数f(x)=sin2x+2根号(2)cos(π/4+x) + 3 的最小值是 _________. ------------------------------------------------------------------------------------解:f(x)=sin2x+2根号(2)cos(π/4+x)
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![希望有人愿意帮忙)函数f(x)=sin2x+2根号(2)cos()函数f(x)=sin2x+2根号(2)cos(π/4+x) + 3 的最小值是 _________. ------------------------------------------------------------------------------------解:f(x)=sin2x+2根号(2)cos(π/4+x)](/uploads/image/z/14282969-41-9.jpg?t=%E5%B8%8C%E6%9C%9B%E6%9C%89%E4%BA%BA%E6%84%BF%E6%84%8F%E5%B8%AE%E5%BF%99%29%E5%87%BD%E6%95%B0f%28x%29%3Dsin2x%2B2%E6%A0%B9%E5%8F%B7%282%29cos%28%29%E5%87%BD%E6%95%B0f%28x%29%3Dsin2x%2B2%E6%A0%B9%E5%8F%B7%282%29cos%28%CF%80%2F4%2Bx%29+%2B+3+%E7%9A%84%E6%9C%80%E5%B0%8F%E5%80%BC%E6%98%AF++_________.++------------------------------------------------------------------------------------%E8%A7%A3%3Af%28x%29%3Dsin2x%2B2%E6%A0%B9%E5%8F%B7%282%29cos%28%CF%80%2F4%2Bx%29)
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