已知函数f(x)=√(sin^4(x/2)+4cos^2(x/2))-√(cos^4(x/2)+4sin^2(x/2))化简

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已知函数f(x)=√(sin^4(x/2)+4cos^2(x/2))-√(cos^4(x/2)+4sin^2(x/2))化简
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已知函数f(x)=√(sin^4(x/2)+4cos^2(x/2))-√(cos^4(x/2)+4sin^2(x/2))化简
已知函数f(x)=√(sin^4(x/2)+4cos^2(x/2))-√(cos^4(x/2)+4sin^2(x/2))化简

已知函数f(x)=√(sin^4(x/2)+4cos^2(x/2))-√(cos^4(x/2)+4sin^2(x/2))化简
答案见图片啊