网问答>>F(x)=f(x)cos2x最后带值进去是f(0)和f(π)怎么证明他俩相等?
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F(x)=f(x)cos2x最后带值进去是f(0)和f(π)怎么证明他俩相等?

时间:2024-09-12 13:53:08
F(x)=f(x)cos2x最后带值进去是f(0)和f(π)怎么证明他俩相等?
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