(1+cos4x+sin4x)/(1-cos4x+sin4x)化简

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(1+cos4x+sin4x)/(1-cos4x+sin4x)化简
(1+cos4x+sin4x)/(1-cos4x+sin4x)化简

(1+cos4x+sin4x)/(1-cos4x+sin4x)化简