【紧急】若f(x)=sin(x+θ)+根号3cos(x+θ)为偶函数,则tanθ还有一问:若f(x)=sin(x+θ)+根号3cos(x-θ)为偶函数,则tanθ
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![【紧急】若f(x)=sin(x+θ)+根号3cos(x+θ)为偶函数,则tanθ还有一问:若f(x)=sin(x+θ)+根号3cos(x-θ)为偶函数,则tanθ](/uploads/image/z/8979000-24-0.jpg?t=%E3%80%90%E7%B4%A7%E6%80%A5%E3%80%91%E8%8B%A5f%28x%29%3Dsin%28x%2B%CE%B8%29%2B%E6%A0%B9%E5%8F%B73cos%28x%2B%CE%B8%29%E4%B8%BA%E5%81%B6%E5%87%BD%E6%95%B0%2C%E5%88%99tan%CE%B8%E8%BF%98%E6%9C%89%E4%B8%80%E9%97%AE%EF%BC%9A%E8%8B%A5f%28x%29%3Dsin%28x%2B%CE%B8%29%2B%E6%A0%B9%E5%8F%B73cos%28x-%CE%B8%29%E4%B8%BA%E5%81%B6%E5%87%BD%E6%95%B0%2C%E5%88%99tan%CE%B8)
【紧急】若f(x)=sin(x+θ)+根号3cos(x+θ)为偶函数,则tanθ还有一问:若f(x)=sin(x+θ)+根号3cos(x-θ)为偶函数,则tanθ
【紧急】若f(x)=sin(x+θ)+根号3cos(x+θ)为偶函数,则tanθ
还有一问:若f(x)=sin(x+θ)+根号3cos(x-θ)为偶函数,则tanθ
【紧急】若f(x)=sin(x+θ)+根号3cos(x+θ)为偶函数,则tanθ还有一问:若f(x)=sin(x+θ)+根号3cos(x-θ)为偶函数,则tanθ
f(x)=sin(x+θ)+√3cos(x+θ)=2[1/2sin(x+θ)+√3/2cos(x+θ)]=2sin(x+θ+π/3)
为偶函数 θ+π/3=π/2 θ=π/6 tanθ=tanπ/6=√3/3
【紧急】若f(x)=sin(x+θ)+根号3cos(x+θ)为偶函数,则tanθ还有一问:若f(x)=sin(x+θ)+根号3cos(x-θ)为偶函数,则tanθ
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