admin百科知識 2022-02-13 3:45:32 化簡cos^2(-α)-[tan(360°+α)sin(-α)]化簡cos^2(-α)-[tan(360° α)/sin(-α)]網友廻答：匿名網友cos^2(-α)-[tan(360° α)/sin(-α)] =cos^2(α) tanα/sinα=cos^2(α) 1/cosα這已經是夠簡的了,若還有問題可[kě]以直接HI我. db標簽 生活常識_百科知識_各類知識大全»化簡cos^2(-α)-[tan(360°+α)sin(-α)]
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